III. Find one mistake in each of the following sentences.
1. Although having an old car, he didn’t sell it to get money.
A. Although B. an C. sell D. to get
2. We won’t have enough fresh air if we will keep cutting down trees.
A. won’t have B. fresh air C. will keep D. cutting
3. He has worked in this restaurant for four months ago.
A. has worked B. this C. for D. ago
4. English teaches to everyone at different ages in this center.
A. teaches B. everyone C. different ages D. this center
5. By the time the policemen had come, the situation had become more serious.
A. By the time B. had come C. had become D. more
6. Soil polluted is due to the overuse of pesticides and herbicides of farmers.
A. Soil polluted B. due to C. and D. of farmers
7. We have to be aware for the consequences of climate change.
A. have to B. for C. the consequences D. climate change
1A
2C
3D
4A
5B
6A
7B