There are so many tall buildings now. My hometown ________ a lot.

A.was changing B.has changed C.will change D.changes

(2017资阳)The Jiaozi Road is closed today because workers________ some repairs.

A.make B.made C.are making D.were making

The water       dark and dirty. It’s no longer safe to drink.

A.became B.will become C.has become D.was becoming

Be quiet! A bird ________ something by the window.

A.ate B.eats C.is eating D.was eating

I didn't hear you because I    the news on the radio.

A.listen to B.am listening to

C.listened to D.was listening to

This medicine _______ millions of people’s lives since it was put into use.

A. is saving B. will save C. has saved D. had saved

Even if you learn something well, you      it unless you use it.

A. forget    B. forgot

C. have forgotten    D. will forget

My mind wasn’t on what he was saying so I’m afraid I __________ half of it.

A.missed B.was missing

C.will miss D.would miss

Look on the bright side of life, and you ________ a happy life.

A.had B.will have C.are having D.have had

I’ve just returned from my trip to London. I ______ many interesting places there.

A.visit B.will visit C.am visiting D.visited