从括号中选出合适的词完成句子。

It’s a ________(criminal, crime)to waste natural resources．

从括号中选出合适的词完成句子。

The car hit the tree with a ________(crash, attack)．

从括号中选出合适的词完成句子。

The ________(rapid, rapidly)growth of the population around has caused serious problems．

根据实际情况回答下列问题。

1．Is computer important in your life?

_____________________

2．What do you often use computers to do?

_____________________

3．List three advantages that the computer has brought．

_____________________

4．List three disadvantages that the computer has brought．

_____________________

5．What is the best part of cyberspace to you?

_____________________

用方框中合适的单词或短语完成下列句子。

1．All the smokers know that smoking ________ health, but they just can’t stop it．

2．I must ________ them an apology for not going to attend their get-gathering．

3．Did the storm do any ________ to the corn?

4．Mrs．Green treated her servants ________ they were her family members．

5．I saw something move ________ and I was scared．

6．The desk was a ________ of papers and unopened letters．

7．It is reported that three persons died in the car ________．

8．When the sun came out, the fog ________ gradually．

9．Wild animals don’t often ________ humans unless they are really hungry．

用动词的适当形式填空。

Please ask him to call me as soon as he ________(arrive)．

用动词的适当形式填空。

Mike ________(not believe)this until he saw it with his own eyes．

用动词的适当形式填空。

Look at the clouds．It ________(rain)．

用动词的适当形式填空。

________ he ________(be)back soon?

用动词的适当形式填空。

Jane ________(visit)her grandma this Saturday．