The girl is often heard ________ in the music room. Her voice sounds beautiful.
A. practice singing B. to practice singing
C. practiced singing D. to practice sing
—Can Mr. Brown spare some time for the charity now?
—If he ________, he will try his best to make it .
A. is invited B. will be invited C. invites D. invited
Joe, my close friend, moved to Beijing years ago, and I ________ him since then.
A. don’t see B. didn’t see C. won’t see D. haven’t seen
We are very glad that China’s Chang’e-4 lunar probe(月球探测器) successfully ________ on the far side of the moon on January 3, 2009.
A. landed B. was landing C. lands D. is landing
—________I return the book today, Mr. Lin?
—No, you ________. You can keep it for two days.
A. May; mustn’t B. Must; mustn’t C. Must; needn’t D. Can; shouldn’t
________ exciting news! We’ve never had such a long vacation before.
A. How B. What a C. What an D. What
