3.1 Fill in the blanks below to complete the sentences. 1. It's almost eight o'clock. You
go to work now.
2.A:
Alex cook dinner?
B: Yes, he
3. Please be quiet! You
make so much noise in the library!
4. We should stay at home. We
5. A:
they watch TV all day?
B: No, they
6. Stewart looks very sick. He
see a doctor.
7. You
drive a car without wearing your seatbelt.
go out.​

1. The correct answer is "should" because it is a modal verb used to express obligation or recommendation. In this case, it is saying that it is almost eight o'clock and therefore it is necessary or recommended to go to work.
2. The correct answer is "does" because it is the present tense form of the verb "do" used to form questions in the third person singular. In this case, the question is asking if Alex cooks dinner.
3. The correct answer is "shouldn't" because it is a modal verb used to express prohibition or advice against doing something. In this case, it is telling someone to be quiet and not make noise in the library.
4. The correct answer is "should" because it is a modal verb used to express recommendation or suggestion. In this case, it is saying that it would be a good idea to stay at home.
5. The correct answer is "do" because it is the present tense form of the verb "do" used to form questions in the third person plural. In this case, the question is asking if they watch TV all day.
6. The correct answer is "should" because it is a modal verb used to express recommendation or necessity. In this case, it is saying that it is necessary or recommended for Stewart to see a doctor because he looks sick.
7. The correct answer is "shouldn't" because it is a modal verb used to express prohibition or advice against doing something. In this case, it is telling someone not to drive a car without wearing their seatbelt.