Đáp án là: You have to find the book.

Exercise 1. Rewrite the following sentences without changing their meaning.

1. Return the product to the shop if you have any complaint about it.

 Should _______________ you have any complaints about the product, return it to the shop._____________________________________

2. It’s almost nine months since I stopped subscribing to that magazine.

 I cancelled ______________________ my subscription to that magazine nine months ago. ___________________________

3. Her success went beyond her expectation.

 Never ___________________ had she expected she was so successful.__________________________________

4. His fondness for the game increased with his proficiency.

 The more ______________ proficient he was at the game, the more he was fond of it.____________________________________

5. Simon hadn’t expected that he would feel so weak after the operation.

The operation left ___________ Simon feeling weaker than he (had) expected. _________________________________

you should eat more vegetables

$1$. 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

Đáp án là: My mother advised me to practice English every day.

It's quite dangerous to go diving along

You need to drink plenty of water when you are out in the sun all day

It's neccesary for you to have a guidebook before you visit a city

It's quite dangerous to go diving along

You need to drink plenty of water when you are out in the sun all day

It's neccesary for you to have a guidebook before you visit a city

It's quite dangerous to go diving along

You need to drink plenty of water when you are out in the sun all day

It's neccesary for you to have a guidebook before you visit a city

Đáp án A

Giải thích: must + V: bắt buộc phải làm gì

Dịch: Bạn bắt buộc phải tuân theo quy tắc ứng xử trên mạng khi ở trong phòng chat này

Đáp án: A

Giải thích: must + V: bắt buộc phải làm gì

Dịch: Bạn bắt buộc phải tuân theo quy tắc ứng xử trên mạng khi ở trong phòng chat này.