Choose the best answer:
Please ------ the sources for all of the statistics included in your report

Choose the best answer:
We sat pondering ___________ various ways to improve our business model when Janet suddenly came up with a brilliant idea

Choose the best answer:
His ________ expression left us in no doubt as to how much her rejection had hurt him

Choose the best answer:
An earthquake is the result of a sudden release of energy in the Earth's crust that creates seismic waves. At the Earth's surface, earthquakes are recognized (25) _____ vibration, shaking and sometimes displacement of the ground. The vibrations may vary in (26) _____. They are caused mostly by slippage within geological faults, but also by other events such as volcanic activity, landslides, mine blasts, and nuclear tests. The underground point of (27) _____ of the earthquake is called the focus. The point directly above the focus on the surface is called the epicenter. Earthquakes by themselves rarely kill people or wildlife. It is usually the secondary events (28) _____ they trigger, such as building collapse, fires, tsunamis (seismic sea waves) and volcanoes, that are actually the human disaster. Many of these could possibly be avoided by better construction, safety systems, early warning and (29) ____ planning

Choose the best answer:
This programme attracts millions of ________ all over the world

Choose the best answer:
When his wife gave birth to a baby boy, Mr. Nam became the sole ____

Choose the best answer:
My mother started working weekends, so I have to stay home and take care ________ my siblings

Choose the best answer:
If this kind of fish becomes ____, the future generations may never taste it at all

Choose the best answer:
He bought me dinner to make _____________ being so late the day before

….name is Marry.

Find which word does not belong in each group.

Choose the best answer:
Many groups worldwide are trying to develop vaccines that protect against a wide range of coronaviruses and prevent (26) _______ pandemic. These efforts have now been boosted by the discovery that some healthcare workers had pre-existing immunity to the SARS-CoV-2 virus during the first wave of the pandemic. During the first half of 2020, around 700 healthcare workers in the UK were tested weekly as part of a crowdfunded study called Covid Sortium. Most of these people, who wore protective equipment, never tested positive for covid-19 in PCR tests or developed covid-19 antibodies – proteins that (27) _______ to the outside of viruses, preventing cells from being infected. (28)_______ , when Leo Swadling and Mala Maini at University College London and their colleagues looked more closely, they found some of those (29) _______ tested negative had a protein in their blood that is linked to covid-19 infection, as well as T cell responses to the SARS-CoV-2 virus. T cells are (30) _______ of the immune system

Choose the best answer:
Peter ____ the book for 4 hours non-stop. He must have found it unputdownable

Choose the best answer:
If you’d stayed at home, there ............................... any trouble

Choose the best answer:
My plan ____ to raise awareness, especially for young people, of the importance of keeping fit for the past two months

Choose the best answer:
The ability to store knowledge makes computers different from every other machine ____ invented

Choose the best answer:
All the employees had read the instructional manuals _______

Choose the best answer:
My parents took my video games ____________ for getting an F on my last test

Choose the best answer:
Tim and Falla are talking about their country’s education system.
Tim: “I think our education system needs more radical changes.”
Falla: “_______. There should be fewer examinations and more improvement in teaching methods.”

Choose the best answer:
'I ....... top in the test,' he bragged

Choose the best answer:
Young people are supposed to ____ themselves in several voluntary social activities