We'll never give up_______ on the project no matter how difficult it is.

A. work                 B. to work

C. working              D. worked

--Why do you look worried?

--I’m looking for my pet dog but I can’t find it______.

A. somewhere               B. anywhere

C. everywhere              D. nowhere

―What were you doing when the light went off?

―I____________ with my sister on the phone.

A. talk                  B. talked

C. am talking              D. was talking

—What did the teacher say?

—The teacher told us              at the Capital Museum on time.

A. arrive                 B. arrived

C. arriving              D. to arrive

The young girl sings as        as the singer.

A.good                   B.well

C.better                  D.best

The girl was flying a kite________her father came back．

A．when                   B．while

C．until                  D．after

She ________ to an English program while her parents _________ TV.

A. was listening; is watching    B. listened; were watching

C. was listening; watched    D. was listening; were watching

—I don’t know________．

—Because he has to look after his mother．

A．why he is leaving

B．why is he leaving

C．whether he is leaving

D．whether is he leaving

The teacher told us a piece of bad news．When we heard of the news，we were all________silence．

A．for                    B．in

C．with                   D．by

It’s raining________．Don’t go out without an umbrella．

A．heavy                  B．heavily

C．strong                 D．strongly