You should wear 　　　　 clothes in three days of national mourning for earthquake victims.

　 A.correct 　　　　　　 B.perfect　　　　 C.natural 　　　 D.proper

他在会议上提出的建议有意义吗？(make sense)

　 _____________________________________________________________

If you receive a bunch of roses on Valentine’s Day, Do you know what hidden meaning is __________to it?

　 A. attached B. introduced 　 C. put 　 D. tied

_____ from the appearance, it is very peaceful; but in fact, a war will break out soon.

　 A. Judged　　　　　　 B. Judging   　　 　　　 C. Having judged　　 D. To judge

Usually what the teacher says will have a deep　　　　 a child .

　 A. mark with　 B. impression in　　 C. effect on　　 D. imagination of

Let’s hope the sunny weather _____for Saturday’s tennis match．

　　 A. keeps up　　 B．picks up　　　 C．closes up　　 D．clears up

It is good m_________ to say “Thank you” when you receive help form others.

The lawyer finally _______ court _______ their crime by showing a lot of evidences.

A. convinced; of　　 B. convinced; by　　　 C. convincing ; by　　　　 D. convincing; of

Children under six are not ___________to school except those of extraordinary intelligence (智力超常).

A. permitted　 B. admitted　　 C.accepted　　　　 D. received

Can you imagine what problem may ________ when human beings are cloned?

A. raise　　　

B. cause　　　　

C. arise　　　　　

D. lead