-------------- study hard when you were at school?

After the flash flood, all the drains were overflowing__________ storm water.

I hate …. ….the washing up.

................. problems in sailing in tropical seas is the coral reefs.

Neither she nor her friend _____ invited to the party.

We are trying ----------- money to buy a house.

 I have known her ………. last year.

What the woman was saying were so important that I asked everyone to stop talking and listen.

.................. in Shanghai than in any other city in China.

“I took an exam this morning. It was really hard.” “ ------------- a lot before you took it?"

Let’s sleep on it, _____ we?

Jim ___________ a book at the moment.

 I’m not used to ---------- as early as this.

You --------- eat and drink in class.

In Britain women usually retire ----------- the age of 60.

We are too late. The plane …………… off ten minutes ago.

 …………… students enrolled this year than last year at New York University.

The film seemed …….... forever, but at last it was over.

Our boss would rather_________ during the working hours.

As the sun ------------ I decided to go out.

Total weight of all the ants in the world is much greater than .................