1. It's cold. You should/shouldn't turn on the fan. 2. You ought not to/ought to do homework before you go out with your friends. 

3. You should/shouldn't eat plenty of fruit or vegetables every day in order to keep healthy. 4. You must/mustn't eat in the class. 5. You ought to/ought not to drink a lot of water every day. 6. I must/have to submit my homework before 12 o'clock because the deadline is 12 o'clock. 7. I must/have to stay at home to take care of my children. 8. My friend says: "You don't have to/mustn't drink champagne. You can have a coke or fruit juice instead. 

9. You don't have to/mustn't drink if you're going to drive afterwards.

 10. You don't have to/mustn't pick up Tom at the airport because Judy will 

Exercise 8 : Put the words in the correct order

a) You / play / time ./ mobile/ games/ all / the/shouldn't

…………………………........................................................................

b)  eat  /fresh/ and /fruit /vegetables /You/every day./should/

…………………………........................................................................

c) She /a/ headache. /has /-/ should/ She / take/ medicine.

…………………………........................................................................

d) do /yoga/I’m / going / to / Lucy./with/

…………………………........................................................................

e) Caroline/ sore throat/ has/ a /-/ go /She/should /to/ a/ doctor.

…………………………........................................................................

f) is/ She / going/her/ to/ play/ tennis/friend./ with/

…………………………........................................................................

g)  My/sometimes /plays/sister/ tennis/ after school./

…………………………........................................................................

h) do / How/ often / play / you / badminton ?/

…………………………........................................................................

i) goes/ My / mother / always/ shopping / the /weekend./ on

…………………………........................................................................

j) He / a/ hit /and/tree/ his/ elbow. /hurt/

…………………………........................................................................

k) You / hard ./have / ball /to/ kick /a /

…………………………........................................................................

l) When / played /I/ basketball,/ jumped /I / the ground /and /fell /on

…………………………........................................................................

m) basketball./is/ Peter's/ favorite /sport /

…………………………........................................................................

n) always /Jenny/eats/ fruit / lunch ./after /

…………………………........................................................................

Exercise 5: Find the mistakes and correct them.

A) You should play computer games all the time.

…………………………………………………………………………..

B) You should eats some fruit or vegetables every day.

…………………………………………………………………………..

C) She's always tired. She should go to bed late every night.

…………………………………………………………………………..

D) What are you going to do? I'm go to play baseball with Tom.

…………………………………………………………………………..

E) Is she going to play badminton with Lucy? Yes, she isn’t.

…………………………………………………………………………..

F) What is he going to do? He’s going to play bowling with Tony.

…………………………………………………………………………..

G) How often do you play table tennis? I always playing table tennis at school.

…………………………………………………………………………..

H) How often do Jenny go swimming? She usually goes swimming after school.

…………………………………………………………………………..

I) My sister always go bowling on the weekend.

…………………………………………………………………………..

J) How many do you eat fruit? I sometimes eat fruit after lunch

…………………………………………………………………………..

K) What happened? I jump and hurt my ankle.

…………………………………………………………………………..

L) Peter sometimes go fishing with his father on the weekend. .…………………………………………………………………………..

M) My sister always get up at six o’clock every morning.

…………………………………………………………………………..

Put a word from the box in each gap to complete the following passage: fresh, drink, eat, rice, healthy, school, water, fish, breakfast, well. 
    It's important to (1) __________ well, especially when you are studying. If you are at primary (2) __________, you many not go home for lunch and have a cooked meal of meat or (3) __________ and vegetables. A chicken and lettuce sandwich, with some (4) __________ fruit would be a light but (5) __________. Many people around the world eat plain, boiled (6) __________ two or three times a day.
    Pupils and students often don't eat (7) __________ when they're revising for exam - they eat chocolate and (8) __________ lots of black coffee! And by the way, doctors say everybody should start the day with healthy (9) __________. It's also good for you to drink a lot of (10) __________ through the day.

Ex 7. Rewrite the following sentences in such a way that they mean the same as the original sentences.

1. It’s a good idea to eat a lot of fruit and vegetables every day.

- We should ……………………………………………………………………….

2. We couldn’t keep on cleaning the streets because of the heavy rain.

- Because it ……………………………………………………………………….

3. The garden party won’t take place if the weather doesn’t improve.

- Unless …………………………………………………………………………..

4. Both students and teachers can borrow books from the library.

- The library lends ……………………………………………………………….

5. Nobody plays this piece of music as beautifully as he does.

- He plays this …………………………………………………………………..

Choose the correct option A, B, C, or D for each gap in the passage.

Well, I think (1)______ some ways to keep fit. Firstly, we should eat (2)______. Don’t eat too much fast food. Some people have a big hamburger and a soft drink (3)______ lunch. It isn’t a good idea (4)______ that meal doesn’t include any vegetables. Instead, if they want to have a quick healthy lunch, they (5)______ buy some avocado sushi. Secondly, we shouldn’t deep-fry food. We should steam it. (6)______ dishes don’t use any fat. If you like, you can also stew lean meat with vegetables. It’s healthy and nutritious.

Question 4:

A. as

B. because

C. since

D. All of them

Choose the correct option A, B, C, or D for each gap in the passage.

Well, I think (1)______ some ways to keep fit. Firstly, we should eat (2)______. Don’t eat too much fast food. Some people have a big hamburger and a soft drink (3)______ lunch. It isn’t a good idea (4)______ that meal doesn’t include any vegetables. Instead, if they want to have a quick healthy lunch, they (5)______ buy some avocado sushi. Secondly, we shouldn’t deep-fry food. We should steam it. (6)______ dishes don’t use any fat. If you like, you can also stew lean meat with vegetables. It’s healthy and nutritious.

Question 6:

A. steam

B. steaming

C. steamed

D. steams

Choose the correct option A, B, C, or D for each gap in the passage.

Well, I think (1)______ some ways to keep fit. Firstly, we should eat (2)______. Don’t eat too much fast food. Some people have a big hamburger and a soft drink (3)______ lunch. It isn’t a good idea (4)______ that meal doesn’t include any vegetables. Instead, if they want to have a quick healthy lunch, they (5)______ buy some avocado sushi. Secondly, we shouldn’t deep-fry food. We should steam it. (6)______ dishes don’t use any fat. If you like, you can also stew lean meat with vegetables. It’s healthy and nutritious.

Question 2:

A. healthy

B. healthily

C. Healthily

D. unhealthily

Choose the correct option A, B, C, or D for each gap in the passage.

Well, I think (1)______ some ways to keep fit. Firstly, we should eat (2)______. Don’t eat too much fast food. Some people have a big hamburger and a soft drink (3)______ lunch. It isn’t a good idea (4)______ that meal doesn’t include any vegetables. Instead, if they want to have a quick healthy lunch, they (5)______ buy some avocado sushi. Secondly, we shouldn’t deep-fry food. We should steam it. (6)______ dishes don’t use any fat. If you like, you can also stew lean meat with vegetables. It’s healthy and nutritious.

Question 1:

A. there is

B. there are

C. it is

D. they are