He had a lot of friends, but none of _____ could lend him any money.

A. whom　　 B. them 　 C. which　 D. who

____ in the regulations that you should not tell other people the password of your e-mail account.
   A. What is requiredB. What requires
   C. It is requiredD. It requires

“Oh, how blind ______!” cried the sixth blind man.

A. are you all　　　　 B. you are all

C. you all are　　　　 D. are all you

While crossing the street, an old man was knocked down by a car and badly _______.（ ）

A. wounded　　　 B. ruined　　　　 C. injured　　　 D. harmed

—______ you ______ him around the museum yet?

　 —Yes. We had a great time there.

　 A. Have … shown B. Do … show　　　 C. Had … shown 　　　 D. Did … show

We won’t have students _______ in class in China.

　 A. ate　 B. eating　　 C. to eat　 D. eaten

I can think of many cases _______students obviously knew a lot of English words and expressions but couldn't write a good essay.

A. why　　　 　　　　　　　 B. which

C. as　　　　 　　　　　　　 D. where

—Can I smoke here?

　 —Sorry. We don’t allow ______ here.

A. people smoking　 B. people smoke　　 C. to smoke　 D. smoking

The boy, _____ leg was injured in the football match, was only 11 years old.

A. which　　　　 B. whose　　　　　 C. who　　　　　 D. whom