He couldn’t _____ an answer when I asked him why he was late for the meeting again.
A. look over B. put up C. open up D. come up with
The treatment of fog will be a long fight. ________, if we use buses and cars less and do more riding, we believe a clear sky is not a faraway dream.
A.By the way B.From now on C.In this way D.Ever since then
As the population________, the world seems to be smaller.
A.increase more B.increase larger C.grows larger D.grow larger
—You are always on time for everything. How________it be that you were late for the meeting this morning?
—Something went wrong with my car. But I didn’t know it before I left home.
A.should B.must C.might D.could
— Who will give us the speech on public manners?
— Dr. Stark __________. He’s good at manners, but nobody knows for sure.
A.can B.might C.should D.would
— Excuse me, could you please tell me __________ ? I forgot about it.
— Only in five minutes. You’d better hurry up if you don’t want to miss the beginning.
A.how soon will the film begin B.how soon the film will begin
C.how long has the film been on D.how long the film has been on