8.I tied the tree to the top of the stick ___-it was　 straight .

A. in order to　

B. for

C. so that

D.but

7.Yesterday morning ,Jim hurried to the station .He was very angry __ the　 train had just left.

A. and　

B.so

C. because

D. so that

6.Which sentence is right?

A. Maybe he right.

B. He maybe is right.

C. He maybe right

D. Maybe he is right.

5.The room is big enough .It _______hold 1000 people.

A.　 may

B. must

D. have to

3.Could I borrow your bike?

Yes ,of couse you　 ___________.

A.must

B. need

C. can

D.could

4 I __work out the maths problem.Lily____know the answer.Let’s ask her for help.

’t　 must

’t　 may

C.may not ,　 has to

D.have to ,can

you stay here for a few days longer?

___________,but I have to go back tomorrow.

A. No problem

B.I’m afrraid not

C.I’d love to

D.No ,thank you

2.Henny _________　 be at home now because he phoned me from the school just now .

A.mustn’t

B. isn’t he able to

C.may not

’t

要求：1．条理清楚，语意连贯，句式规范，字迹工整。

2．80字左右。

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根据短文和所给首字母写出所缺单词，使短文完整，意思通顺、连贯。(10分)

Do you know something about tree rings (年轮)? Do you know they can tell us what the weather was l_____(1), sometimes even hundreds of years ago?

A tree will grow well in a climate with lots of sunshine and rainfall. And l____(2) sunshine or rainfall will limit (限制) the growth of a tree. We can see the change of climate by studying the tree rings. For e______(3), to find out the weather of ten years ago, count the rings of a tree from o______(4) to the inside. If the t______(5) ring is far from the eleventh ring, then we are sure that it was sunny and rainy most of that year. If it is near to the eleventh ring, then the climate that year was bad.

Tree rings are i______(6) not only for studying the history of weather but also for studying the history of man. Long long ago there lived a lot of people at a place in New Mexico. But now you can find only s______(7) there-no trees and no people. What h_______(8)?

A scientist studied the rings of d_____(9) trees there. He found that the people had to leave b_____(10) they had cut down all trees to make fires and buildings. As all trees had gone, the people there had to move.