Paper bags produced every year are ______ the world’s production of vehicles.

A. three times the weight of　　　　　　　　 　 B. three times weight of

C. as three times heavyas　　　　　　　 　 D. three times as heavier as

—Hi, haven’t seen you for ages! You look fine!

—________. You look fine too!

A. Great　　　　　　　　 B. Thanks　　　　 C. Oh. no　　　　　　　 D. Not al all

The boy's bad behavior _______ his mother many sleepless nights.（ ）

A. cost　　　　　 B. made　　　　　 C. cause　　　　 D. bring

Every day you __ to yourself: "I have plenty of time. I’ll learn my lesson tomorrow"

A. said 　 B. say 　 C. saying 　 D. have said

_______ she did was right. So everyone always believed(in)her.

　 A. What 　 B. Whatever

　 C. How 　 D. When

It was how he said it rather than what he said ________ made me shocked.

A．which　　 　B．a(chǎn)s　　　　　 　C．what　　　　　 　D．that

The thief had himself _____ by the police when he was trying to break into the hotel.

　　 A. to spot　　 B. to be spotted　　 C. spotted　　　 D. being spotted

＿＿several times, the young scientist still kept on making his experiments.

　　A.Having been failed B.Having failed　 C.Though failed D.Because of failure

I called the airline to ____ my flight reservation a week before I left for Canada.

A. obtain B. admit　　 C. confirm　 D. appoint