X. Insert can, must, may.

1. Buses must come on time. 2. May I smoke here? 3. You must pay for things that you buy. 4. He can drive a car well. 5. You must finish this work by six o’clock. 6. They can speak French. 7. He may stay here for a while. 8. You can take my book. 9. Must you got to the office on Saturday? 10. We must be at the office on time.

XI. Insert mustn’t or needn’t.

1. You mustn’t read in bed. 2. He needn’t buy this book. He can take it from the library. 3. You needn’t translate the whole text. You can translate only part of it. 4. They mustn’t be late for classes. 5. You mustn’t smoke in this room. 6. You needn’t ring her up. I can do it myself. 7. We have plenty of time. We needn’t hurry. 8. The children needn’t go to school by bus. They live quite near. 9. You mustn’t read other people’s letters.

XVII. Insert do (does) or did.

  1. What time do you usually get up?
  2. What time did you get up this morning?
  3. Do you wear a raincoat in autumn?
  4. Does your friend wear a heavy overcoat in winter?
  5. Did your friend wear a hat yesterday?
  6. Where did you buy this book?
  7. Did it freeze last night?
  8. Does it often rain in spring?

XIX. Fill in the missing prepositions.

1. I cannot think of anything else to talk about. 2. The summer is often hot on the continent. 3. People like to talk about the weather because it is a safe topic for conversation. 4. I usually stay home at bad weather. 5. The students came in one after another. 6. They sell all sorts of things in this shop. 7. I don’t wear an overcoat in autumn. 8. In fact, he is unemployed now. 9. It snowed heavily on Saturday. 10. It is very cold in Russia in February.

XX. Insert each other or one another.

1. These two friends are always ready to help each other. 2. We see one another every morning. 3. They don’t like each other. 4. The children got on the bus one after another. 5. The boys looked at each other and did not say anything. 6. After they greet one another they talk about the weather. 7. I think they don’t speak to one another any longer.

XXI. Translate into English.

1. What are you doing? Can you help me? — Yes. I can.

2. It was getting dark, when we got home.

3. What were you doing last evening? — We were busy.

4. Don’t call me at 2 o’clock. I will be translating that article still.

5. What will you do tomorrow evening. Let’s go to the theatre.

6. You look tired. You need to have a rest.

7. I was looking for my keys everywhere, but I didn’t find it either.

8. My brother is also a laywer.

9. I also don’t know the director’s address.

10. What other books do you want to buy?

11. Give me please, an another stamp.

12. I have two sisters. One is a teacher and she is working at school.