1.Our monitor asked me _____.
A.to enter for what events
B.what events to evter
C.what events to enter for
D.what to enter for
答案：C

2.My aunt was asked_____ some Japanese friends ______ Chinese food.
A.to teach,cooking B.taught,cooked
C.teach,cook D.to teach,to cook
答案：D

3.The shop reduced the price of the TV sets_____ 15&
A.by B.at C.for D.to
答案：A

4.Everybody likes watching TV,_____?
A.doesn't he B.don't they
C.does he D.A or B
答案：D

5.If anyone makes a contribution _______ the environment,the world will become much more beautiful.
A.to protect B.to protecting
C.to protects D.protecting
答案：B

6.Are you sure______ they'll come_____ tomorrow?
A.if,/ B.whether,or not
C.that,/ D.if,or not
答案：A

1.Our monitor asked me ___C__.
A.to enter for what events
B.what events to evter
C.what events to enter for
D.what to enter for
由what引导,ask for后加名词性短语.

2.My aunt was asked___D__ some Japanese friends ______ Chinese food.
A.to teach,cooking B.taught,cooked
C.teach,cook D.to teach,to cook
aunt was asked to do:被要求去完成...
ask sb to do:叫某人做某事

3.The shop reduced the price of the TV sets___A_ 15%
A.by B.at C.for D.to
reduce by:下降了
reduce to:降至...

4.Everybody likes watching TV,__A_?
A.doesn't he B.don't they
C.does he D.A or B
everyone:指人，不确定性别

5.If anyone makes a contribution ___B____ the environment,the world will become much more beautiful.
A.to protect B.to protecting
C.to protects D.protecting
make a contribution to doing:对…做贡献

6.Are you sure___A___ they'll come_____ tomorrow?
A.if,/ B.whether,or not
C.that,/ D.if,or not
if除了有如果的意思外,也有是否的意思,但if后面不加or not
whether....or not:固定搭配,or not可以省略