1. mustn't

2. need

3. don't need

4. don’t have to 

5. must

6. has

1. You mustn't cheat in exams.

2. If you need help, you should talk to your teacher.

3. I’m not thirsty, so I don’t need to stop and have a drink.

4. You don’t have to do this extra homework. It’s your choice.

5. We must arrive on time to school every day.

6. Rosie has to catch the next bus.

1....go to bed early

2.....copy other students'work

3.....lie to their parents

4......say "thank you" to ....... you

5........do your homework

6...... go swimming in the afternoon

You should take more exercise.

You should take more exercise

You should take more exercise.

$1$. We need to bring flashlights so we we can see at night

$2$. You shouldn't go diving alone because it's quiet dangerous.

$3$. You have to drink plenty of water when you're out in the sun all day.

$4$. You should have a guidebook before you visit a city.

5.We may have a robot pets in the future

1. You should take showers to save water.               
If we take showers, we will save water.
2. She missed the train because she got up late.            
As she got up late, she missed the train.
3. I think it would be good idea to help the old people.
I suggest we should help the old people.

1. It’s a good idea to wear a warm coat.

You should wear a warm coat.

2. My advice is to leave early.

I think you should leave early.

3. It’s a good idea to take more exercise.

You should take more exercise.

4. In my opinion, it’s a good idea for you to read a lot.

I think you should read a lot

5. It’s a good idea to do that.

You should do that

6. My advice is for you to ride a bike.

I think should ride a bike

7. If I were you, I would buy a dog.

I think you should buy a dog

 You should wear a warm coat.

should leave early.

should take more exercise.

you should read a lot.

should do that.

you should ride a bike.

you should buy a dog.

1. You should wear a warm coat. 

2. I think you should leave early

3. You should take more exercise 

4. I think uou should read a lot. 

5. You should do that. 

6.I think you should ride a bike

7. I think you should buy a dog

1. You should eat with your right hand in India.

2. Susan promises not to go to school late again.

3. Kim chi and tokbokki of Korea are famous in the world

4. You will be lost in the forest if you don't bring a compass.

5. Unless Tom finishes his homework, his mother won't let him watch TV.

1. It's a good idea to eat with your right hand in India ( should)

You should eat with your right hand in India

2. Susan makes a promise that she won't go to school late again ( promises)

Susan promises that she won't go to school late again

3 Kim chi and tokbokki of Korea are popular in the word ( famous)

Korea is famous for Kim Chi and Tokbokki

4 You should bring a compass , other will you will be lostin the forest ( if)

If you don't bring a compass, you will be lost in the forest

5 If tom doesn't finish his home work his mother won't let him watch tv ( unless)

Unless Tom finishes his homework, his mother won't let him watch TV

1. I don’t think it’s a good idea for you to spend too much time playing games.

    You shouldn't spend too much time playing games.

2. I think it would be a good idea to say sorry to your parents.

    You should say sorry to your parents.

3. It is not a good idea for you to drink so much coffee.

   You should not drink so much coffee.

4. I don't think it's a good idea for you to get married too early.

    You shouldn't  get married too early.

Đáp án D

Giải thích: Make a difference = tạo ra sự khác biệt.

Make senses = có ý nghĩa.

Make a mistake = mắc lỗi