1. Most of the students can answer this question.
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2. Somebody will clean the room later.
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3. You mustn’t open this parcel until Christmas Day.
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4. They can’t make tea with cold water.
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5. The students will hold a meeting before the Teacher’s Day.
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6. People can recycle tires to make pipes or floor coverings.
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7. They should send applications before December 30th.
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8. The manager must sign the contract today.
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9. They will build the new bridge by the end of the year.
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10.We should use cloth bags instead of plastic bags.
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11.We can use the garbage to make fertilizer.
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IV. Write the sentences, using the adjective + to-inf structure.
1. It / difficult / learn / Japanese.
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2. We / delighted/ get / your letter / yesterday. ."___________________________________________________________________________________
3. It / not easy / answer / these questions.
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4. Your writing / difficult / read.
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5. I / surprised / see / Paul / the party / last night. "____________________________________________________________________________________
6. It / impossible / understand / his theory. "____________________________________________________________________________________
7. They / ready / start / now. "_____________________________________________________________________________________
IV. Combine each pair of the sentences, using the adjective + to-inf / noun clause structure.
1. She was disappointed. She heard about that. "_____________________________________________________________________________________
2. He will win the game. I’m sure. "_____________________________________________________________________________________
3. They passed all the exam. They are lucky. "_____________________________________________________________________________________
4. John got Ann’s letter yesterday. He was very surprised.
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5. She can’t come. I’m afraid. "_____________________________________________________________________________________
6. We heard about your father’s illness. We were sorry.
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7. I have nothing better to offer you. I’m ashamed.
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8. Susan received a lot of birthday presents. She was happy.
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9. You wouldn’t come back. I was worried.
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10.You are interested in protecting the environment. We are delighted.
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