Paper bags produced every year are ____ the world’s production of vehicles.
A.three times weight of B.three times the weight of
C.as three times heavy as D.three times as heavier as
You have a big mouth, Li Fei. You ________ have told everybody the secret.
A.can't B.mustn't C.shouldn't D.mightn't
To know more about Japan's recent claims about Diaoyu Islands, you can use the Internet or watch CCTV news, or .
A.both B.none C.some D.Neither
The exam poster will be on Friday afternoon.
A.put off B.put down C.put up D.put away
Hurry up! Flight 4406 off at 18:40.
A.takes B.took C.will be taken D.has taken
He liked to go to dances and parties, ______ he could have a good time just sitting and watching.
A.where B.when C.which D.why