HOW CAN I KNOW ……BOOK IS YOURS

6. How can I know ……book is yours? They are so alike

A.what B. which C. this D. the

III. Fill in each blank with one suitable word in the box (3ms)

Many enough little are because late

so swim from wear

We are slowly destroying the earth. The seas and rivers are too dirty to (1)…….in.

There is so much smoke in the air that it is unhealthy to live in (2)………of the

world’s cities. In one well – known city, for example, poisonousgases(3)…….. cars

polute the air so that traffic policemen have to (4)…..oxygen masks.

We have cut down (5)………many tries that there is mow vast areas of wasteland all

over the world. As a result, farmers in parts of Africa can not grow (6)……….

To eat. In certain countries in Asia there is too (7)………rice. Moreover, we do not

take enough care of the countryside. Wide animals(8)……….quickly disappearing.

For instance, tigers are race in India (9)………we have killed too many for them to

survice. However, it isn’t enough simply to talk about the problem. We must act

now before it is too (10)…………to do anything about it. Join us now save the Earth.

This is too important to ignore.

IV.There is a mistake in the four underlinded parts of each sentences find and

correct the mistakes.