(       )6. Our math teacher has lots of teaching________  

A,  experience         B. experiences

C.  experienced        D. experiencing

(       )5.   It's better ________ the housework by yourself.

A.   do    B.   does      C.  doing D.  to do

(       )4. Remember________ me when you get there.

A.  to call    B. calls  C.  calling  D. called

(       )3.   We want ________ expert to give us some________ 

A.  a； advice           B. an; advice

C.  a; advices         D.  an; advices

(       )2.  If I become rich, I ________ help the poor.

A.   was able to  B.  am able to C.   wasn't able to    D.  will be able to

(    )1.  You can't improve your spoken English ________ you practice it every day from now on,

A.  as soon as    B. unless

C.  if         D. since

8.    我们必须对此事保密。 

We must_________ this thing ________ ________  

7.    当心！不要摔倒了! 

________ ________ ！ Don't fall down.

6.    分担一个烦恼就像把麻烦分成两半。

Sharing a problem is like________  it________ ________ 

5.    因此，你只要跟人聊聊这个问题，你就巳经解决掉问题的一半了！

So you're ________ ________ ________   a problem just by talking to someone about it!