Can you imagine that rats eat 40 to 50 times _______.

I don’t like ________you speak to her.

No. 2 Hospital has got a good _______ for fighting against the flu with its careful and smooth organization.

The new teacher made a good      on the students by her rich knowledge and humorous talk.

The tourists screamed their               down to a safe landing when they were sitting in car that “fell” through the air from a tall tower.

. He’s so well-educated that he will certainly be offered a good         .

It is obvious that this anti-smoking ____ is mainly aimed at young teenagers．

I saw Mary dancing at Kate's birthday party and on that______she was really excellent.

We walked a couple of blocks, looking in _______ for a taxi. How disappointed we were!

I haven’t got a single      from Uncle Sam since I saw him last time.