A. a B. ／ C. the D. an

—__________．

A．It doesn’t matter B．That’s all right

C．Sorry, I won’t D．Excuse me

A. watchB. watching

C. to watchD. watched

【题目】—Today's young people can't live without smart phones.—They keep their hands on the phones wherever they go, even while they _______ meals.
A.have
B.are having
C.were having
D.will have

A. by, byB. on, on

C. on, byD. by, on

【题目】—To save energy, we should _________ the electricity when we don't use it.—I agree, you are really a greener person.
A.shut up
B.shut off
C.take away
D.take off

A. finishB. finishing

C. to finishD. finishes

【题目】—China's 23rd Beidou Satellite __________ into space on June 12, 2016.—As Chinese, we are proud of it.
A.has sent
B.is sent
C.will send
D.was sent

A. ride my bikeB. by bike

C. by a bikeD. on bike

【题目】—How did you put together the model plane so perfectly？—It's easy. I just followed the.
A.instructions
B.instruments
C.interviews
D.inventions