………… IT NOT FOR HIS HELP, I WOULD NEVER SUCCEED.A. IF WERE B. WERE...

30/ ………… it not for his help, I would never succeed.

A. If were

B. Were

C. Was

D. If was

IV/ Read the passage carefully and choose the best option to fit each space.

We are slowly destroying the Earth. The seas and rivers are too dirty to swim in. There is so much smoke in

the air that is unhealthy to live in many of the world’s cities. In one well-known city, for example, (31) …… gases

from cars pollute the air so much that traffic policemen have to wear oxygen masks.

We have cut down so many trees that there are now vast areas of (32) …… all over the world. As a (33) ……

farmers in parts of Africa cannot grow enough to eat. In certain countries in Asia, there is too little rice.

Moreover, we do not take enough care of the countryside. Wild animals are quickly disappearing. However, it

isn’t simple to (34) …… about the problem. We must act now before it is too late to do anything about it. join us

now. Save the Earth. This is too important to (35) ……