15.3.9 Bài Tập 98

Water boils _______ 100 degrees Celsius.

My cellphone was stolen while I was _______ a business trip.

Could you be quiet for a minute, please? I'm _______ the phone.

In Britain, children start school _______ the age of five.

We sat _______ the shade. It was too hot to sit _______ the sun.

Did you go to Germany _______ business or _______ holiday?

Can I pay _______ credit card? ~Yes, of course. But it's cheaper if you pay _______ cash.

He got married _______ 17, which is rather young to get married.

There was an interesting program _______ the radio this morning.

_______ my opinion, violent films should not be shown _______ television.

When you do the exam, you're not allowed to write _______ pencil.

The earth travels round the sun _______ a speed of 107,000 kilometers an hour.

Look! That car is _______ fire! Please call the fire brigade.

I pressed the wrong number _______ mistake.

It's a long journey. Let's stop somewhere _______ the way and have a meal.