A great number of students ______ said they were forced to practise the piano.

At no time________the first to use the nuclear weapon.

 __________ to sun, rain and wind for a long time, the stone split（裂开）.

The arrangements for the English evening this weekend aren’t all_______；we needed another thirty chairs.

----Have the Smiths moved to California?

-----Not yet, but they have ____________.

I have had such a case_________a boy whispered to his classmate now and then while I was having lessons.

Mr. Green stood up in defence of the 16-year old boy，_________ that he was not the one ____________.

Eating too much fat can ________ heart disease and cause high blood pressure.

The boss looked very worried and demanded that the work________before we went home.

I think you got _______ wrong end of the stick. It’s Tom rather than David who has________good nose for news.