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Experiments in the sonic imaging of moving objects ............... in both the United States and Europe well before the Second World War. 

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  We had to ________ some very difficult decisions

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  He was such a skinny kid that I'm glad to see he's finally filled _________ some

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  Two people are discussing the secrets of having a long and healthy life. 
        Male: “Have you heard about any secrets to having a long life?" – Female: “____"

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  If he ____ this homework to do, he would have gone out with his friends.

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   They ____________ careful to answer the questions

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  Friends will come and go in your life, but more important than ____ is your friends' acceptance of you for who you are

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  I came __________ him in the library after work, and we got into a great conversation about Hemingway

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  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

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  ___________ more help, I would call my neighbor

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  There was nearly a terrible accident in the javelin_________

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  Everybody ............. healthy and good looking

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  Susana hardly ever speaks to us these days, ____?

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  Mass tourism is now a growing ____ to the preservation of historical places in most countries

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  Robots won’t take care__________ children

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  He ...... quite badly in the exchange of insults

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  Thanks to my friends’ _____ remarks, my essays have been improved

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  Can we stop for a minute? I need to _____________ my breath, I can't run as fast as you guys!

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  My mother would rather that my sister ….. how to play the piano

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  He last cooked for the whole family five months ago

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  Had they arrived at the fair earlier, they _______ what they wanted