词形变换

1．closely(形容词)________

2．correct(副词)________

3．free(反义词)________

4．finish(第三人称单数)________

5．nice(副词)________

6．softly(形容词)________

7．good(副词)________

8．great(比较级)________

9．twenty(序数词)________

10．new(反义词)________

写出下列形容词的反义词

1．necessary ________

2．important ________

3．comfortable ________

4．honest ________

5．regular ________

6．honest ________

7．welcome ________

8．correct ________

9．common ________

10．friendly ________

11．possible ________

12．able ________

用适当的介词填空

There are changes ________ the number ________ birds．

用适当的介词填空

Zhalong is one ________ the nature reserves ________ the endangered birds．

用适当的介词填空

Many of them die ________ hunger or cold．

用适当的介词填空

Please make room ________ him when he got on the bus．

用适当的介词填空

My father is busy all year ________．

用适当的介词填空

They want to go to America ________ a short stay．

用适当的介词填空

The area is a great place ________ wildlife becasue it provides food and shelter ________ them．

用适当的介词填空

It’s one ________ the world’s most important wetlands．