5．-_______ does it take you to do sports every day？
-For an hour．（　　）

A．

How often

B．

How soon

C．

How long

D．

How much

4．After many experiments，scientists have _______ something special to keep out the sun．（　　）

A．

caught

B．

invented

C．

imagined

D．

decided

3．She is very old，_______ she can still look after herself．（　　）

A．

but

B．

because

C．

unless

D．

if

2．---You were not in when I went to see you yesterday．
---Oh，I ________ for a friend from England at the airport at that moment．（　　）

A．

had waited

B．

was waiting

C．

am waiting

D．

have waited

1．Which animal comes from China？（　　）

A．

B．

C．

D．

20．Peter enjoyed _______ at his birthday party last night．（　　）

A．

he

B．

him

C．

himself

D．

his

19．Maggie wanted an evening job that would allow her to ______ her son during the day．（　　）

A．

look at

B．

look around

C．

look after

D．

look out

18．阅读短文，将文中划线部分翻译成汉语．
  The P．E．teacher asked us students to run three laps（圈） around the playground，and finish it in eight minutes．
  71．The first lap was very easy． Everyone laughed and joked．By the end of the second lap，72．no one was laughing．At the end of the running，some runners fell down on the ground at the finishing line．
  Surprisingly，I found that I enjoyed running．In fact，73running is a good way to keep healthy． We should always find time to take exercise.74．It's easier than you think． Just go outside and play.75．We can play basketball，ping-pongor take long walks in the park．

17．Woo!        beautifulC hangde is!（　　）

A．

How

B．

What

C．

What a

16．In competition，as in life，you        not always win．（　　）

A．

may

B．

shall

C．

must