—We should _______ humans from ________ down too many trees.
—I agree with you. Trees are very important to us.
A. keep; cut B. prevent; cut C. stop; cutD. prevent; cutting
—I have no idea ____________ tell her the bad news.
—I think tomorrow is the best time.
A. how to B. when to C. how can I D. when can I
—Neither Mary nor her friends _________ joined the music club because they have no time.
— It’s a pity!
A. is B. are C. have D. has
Mr. Li will go to Guangzhou by air. His workmates are ______ him off at the airport.
A. turningB. seeing C. taking D. putting
—You should ________ your son. He works harder than before.
—Thanks, I will.
A. praiseB. punish C. prove D. provide
—I ________ speak English in class because I’m afraid of making mistakes.
—Don’t be shy. Believe in yourself and everything will be OK.
A. needn’t B. dare notC. dare not toD. needn’t to