_________ about the hard work the cleaners do before you want to throw the rubbish in the street. You’ll be fined if you throw the rubbish in the street in some cities.
A.Think B.Thinking C.To think
—I wonder when you ________the new dress.
—Well, I _________ it for a month.
A.have bought, have had B.bought, have bought C.bought, have had
—Why did you keep silent in front of foreign friends yesterday?
—I_________ talk with them in English.
A.didn’t dare B.dared to C.didn’t dare to
_________ computers are now in common used all over the world. In China nearly 60% of the families have one at home.
A.Electronic B.Electricity C.Electric
Each time I _________the old days we spent together, I can always get a feeling of happiness.
A.come back B.look back at C.call back
—Could you tell me who the man wearing glasses is ?
—Certainly. He is_________ coach .He teaches _________ English.
A.us ;our B.ours; us C.our; us
