Some birds cannot fly well, _______, the chicken has wings, but its flying muscles are not strong enough to be useful.

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• Find the word which has different sound in the part underlined

• Research has proved that a baby can distinguish its mother’s voice the moment he is born.

• Scientists are still uncertain of what the universe originated millions of years ago.

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• Most presidential candidates have their names print on the ballot in the New Hampshire primary election because it is customarily the first one in the nation, and winning it can give a good chance to be nominated by their parties.

• You aren't rich; _______, you could do something to help him.

• The firstly naval battle of the Revolutionary War was fought off the coast of Machias, Maine, in June 1775.

• The average cat sleeps  sixteen hours for a day in short intervals called ‘cat naps'.

• He was very young and had no experience of that type of work ,__,he was not given the post.

   

• Three weeks …………not enough for the holiday.

• Anyone reproducing copyrighted works without permission of the holders of the copyrights are breaking the law

• The way a child plays with other children reveals a lot about the child’s emotional development

• Have you really go not money_______ the fact that you've had a part time job this term?

• Mercury is not often visible because it is so near the sun to be seen.

• Because helicopters are capable of hovering in midair, they are particularly useful for rescue missions, military operates, and transportation

• Although the Red Cross accepts blood from most donors, the nurse will not let you to give blood if you have just had a cold .

• As soon as they arrived at the hotel they took the elevator to their room and straight to bed because they were so tired.

• Someone who has ever tried to pick up spilled Mercury will agree that this element is hard to handle

• Because of its ability to survive close to human habitations, the Virginia deer has actually increased their range and numbers.

• Many people have stopped to smoke because they are afraid that it may be harmful to their health.

• The biologist found some pollutants, a little of which can be considered very harmful to fish and other living organisms in the river.