1 . 下列句子中各有一处语言错误，请把错误改正，其他部分不得改动。每处错误仅涉及一个单词的增加、删除或修改。
增加：在缺词处加一个漏字符号（∧），并在右边横线上声出该加的词。
删除：把多余的词用斜线（\）划掉，并在右边横线上写出’该词，也用斜线划掉。
修改：在错的词下划一横线，并在右边横线上写出改正后的词。
1. Play basketball is fun.
2. Tom is tallest in his class.
3. There is many trees in our school.
4. The boy, calling Tom, is the most hard-working student in our class.
5. We should to study hard.

2 . 单句改错。
以下每个句子中有一处错误，请找出并改正。
1. Mary is a teacher and her job is teach students English.
2. There is potentially danger in drunk driving.
3. The people of our various nationalities enjoy absolutely equality before the law.
4. I’d love to be introduced to the man worn a business suit.
5. Compare with the size of the whole earth, the biggest ocean does not seem big at all.
6. I was about to go out while the telephone rang.
7. The weather was fine, so we made up our mind going for a picnic.
8. Comparing Tom with Jack, you will find the later clever.
9. Having told many times, he still couldn’t understand it.
10. The eruption of this volcano has caused fewer damage than you might imagine.

3 .
1. In addition, sometimes I am very clumsy and drop things or bump into furnitures.
2. Pudong Development Zone is no longer that it used to be.
3. The capital of Peru is Lima, that is in the north on the coast.
4. But monitoring carefully, the snakes proved to be no trouble and all went according to plan.
5. Would you like to introduce your new published book to us?
6. They urged that the gym was kept open during the work time.
7. I came up this book in an old bookstore several days ago.
8. Mum can’t have Peter stay up all night long.
9. Just accept them for who they are, and give them encouragement to live as rich and full life as you do.
10. Every time when I returned after an absence, I felt stupid because I was behind the others.