I/ Rewrite the sentences in such a way that doesn’t change their meanings.
1. Do more grammar exercises or it is possible that you will fail in the next exam.
- If you ......................................................................................................
2. The weather will be fine tomorrow, so I am sure of going on a picnic in the forest.
- If…………………………………………………………………….
3. It is necessary to treat raw sewage well in order to reduce water pollution.
-If you want……………………………………………. raw sewage well.
4. To protect him from the cold, the best way is to wear warm clothes.
-If he …………….....................………….....……………….warm clothes.
5/ It is essential to eat a lot of vegetables and fruits in order to have good health.
-............................................................. if we want.....................................
6/ It is a good idea for Minh to go on a diet because it helps him lose weight.
-If Minh...................................................................................... on a diet.
7/ Putting garbage into the dustbins is able to be a solution to minimizing pollution.
-If we ........................................................................................, we.........................pollution.
8/ Eat chicken soup is a possible way to treat your coughing.
-You ...........................................................if.......................................soup.
9/ Minh should have a balanced diet or he can get heart problems.
- If...........................................................................................................
10/ It is necessary to do more grammar exercises so that you don’t have any grammar mistakes in your writing.
-If you ................................................... ……………………………more grammar exercises.
11/ Lan should do more morning exercise, or she won’t become better.
-If Lan..............................................................................................
12/ Mai will visit our town tomorrow, and I want to take her to the interesting places of the town.
- If ……………………………………… ………………………..
13. Eat a lot of vegetables every day, or you will get ill.
- If you …………………………..,………………………….
14. The weather may be fine tomorrow and we can go camping.
- If ……………………………………………………………….
15. Lan should take exercise everyday or she doesn’t get better.
- If ………………………….………………………
16. Do the test carefully or you get bad marks.
- If you …….………................................................................……………
17. Don’t spend to much time on video games, or you are addicted.
- If ........................................................................................................