XII. Put the verbs in brackets into the correct form.
1. We _____________ (stay) at home if it rains.
2. She will call you if she _____________ (have) time.
3. If it _____________ (not rain) tomorrow, we will go for a picnic.
4. If everyone ____________ (recycle) paper, metal and glass, we ____________ (not produce) so much rubbish.
5. If you _____________ (not water) plants, they _____________ (die).
6. If the weather _____________ (be) bad, we _____________ (not go) to the park.
7. We ____________ (save) thousands of trees if we ____________ (not waste) so much paper.
8. What _____________ (happen) if we _____________ (keep) polluting the environment.
9. If we _____________ (not stop) cutting down so many trees, we _____________ (endanger) our oxygen supply.
10. If people _____________ (dump) chemicals into rivers, they _____________ (not be) able to swim in
them in the future.
XIII. Write the comparative or superlative of the adjectives in brackets.
1. It’s today ____________ than it was yesterday. (warm)
2. Rio de Janeiro is one of ____________ cities in the world. (beautiful)
3. The second question was ____________ than the first one. (difficult)
4. Australia is ____________ continent on Earth. (old)
5. China is ____________ country in the world. (populated)
6. My exam results were ____________ than I expected. (bad)
7. Ms. Nicholson is ____________ teacher I’ve ever known. (good)
8. The city is ____________ than it used to be. (crowded)
9. Tokyo is still the world’s ____________ city with 37 million inhabitants. (large)
10. Cool Blue Villa is one of ____________ houses ever built. (modern)
Loga
Sinh Học lớp 12
