4.   Keep________ (work) hard, and you'll succeed in the end.

3.  You  can get  good grades  if you  have good __________ (learn) habits.

2.   Children often speak___________ (wise).

 1. We can get much__________ (know) from the book.

  你最好注意一下你的发音。

You'd better __________ __________ __________ your pronunciation.

当这种机器被发明时，他觉得他巳经创造了奇迹。

When the machine was ___________ ， he thought he had________ a miracle.

不管你帮不帮我，我都要把英语学好。

_______  you help me ___________  ______ ， I'll learn English well. 

4.  Good learners _______ ask questions.

A. never      B. hardly ever C. don't     D. usually

3.   Even if you learn something well, you will____________ 

A.   remember it for long without using it

B.    forget it at once

C.    forget it if you don't use it

D.   remember it for a day

2.   If you are interested in something, your brain is _______ and you can pay attention to it for a long

time.

A. more active     B. less active C. not active     D. bored