u will be late if you don’t walk faster. (Unless) → ________________________________________________________________________ 77. It took him 2 hours to fix the television set. (spent) → ________________________________________________________________________ 78. It’s really amazing to climb the mountains in a sunny day. (climbing) → ________________________________________________________________________ 79. It’s unnecessary for students to wear uniforms on Mondays. (have) → ________________________________________________________________________ 80. This is the first time I have met such a kind guy like him. (never) → ________________________________________________________________________ 81. The deadline for the report has passed. I could not submit mine on time. (Despite) → ________________________________________________________________________ 82. The law does not permit driving after drinking. There would be many more accidents. (otherwise) → ________________________________________________________________________ 83. I don’t sing as beautifully as my father. (more) → ________________________________________________________________________ 84. It’s impolite of them to wear hats in the pagoda. (shouldn’t) → ________________________________________________________________________ 85. If I were you, I would look up for more information. (should) → ________________________________________________________________________ 86. Children have to stay at home to avoid the Covid-19 pandemic. (obliged) → ________________________________________________________________________ 87. If you don’t start early, you will get stuck in the traffic. (otherwise) → ________________________________________________________________________ 88. He has to join the festival in order to play Vietnamese folk games. (so) → ________________________________________________________________________ 89. Although the weather was terrible, we had a nice trip. (spite) → ________________________________________________________________________ 90. Three hundred students entered the swimming competition last year. (part) → ________________________________________________________________________ 91. I can’t wait to see the elephant racing festival in Dak Lak. (forward) → ________________________________________________________________________ 92. Jim was really interested in Vietnamese cultural and spiritual events. (interest) → ________________________________________________________________________ 93. Although Hue is far from Hanoi, Peter often travels to Hanoi by motorbike. (but) → ________________________________________________________________________ 94. Is it important for us to sweep the house on the first day of Tet? (have) → ________________________________________________________________________ 95. I would like you to help me to translate this text in Japanese. (mind) → ________________________________________________________________________ 96. Millions of tourists visit the Museum of Ethnology every year. (visited) → ________________________________________________________________________ 97. I have done voluntary work for two months. (started) → ________________________________________________________________________ 98. Jenny makes craft better than her sister. (doesn’t) → ________________________________________________________________________ 99. Henry arrived at the meeting at 7 o’clock. I arrived at 6.45. (earlier) → ________________________________________________________________________ 100. Let’s go to the museum next weekend! (suggested) → ________________________________________________________________________

III. Use UNLESS instead of IF :

1.      If she doesn’t hurry, she’ll be late. ………………………………………………………………

2.      If you don’t like this one, I will bring you another. ………………………………………………

3.      If you are not careful, you will cut yourself with that knife.

………………………………………………………………………………………………

4.      I’ll be able to do any work if I do now have a quiet room.

……………………………………………………………………………………………

IV. Combine each pairs of these sentences, using IF :

Type 1 :

1.      Recycle and we’ll save natural resources. ………………………………………………………..

2.      Be careful or you will fall over the rocks. ………………………………………………………..

3.      Working too much can make you feel tired. ………………………………………………………

4.      Don’t be careless or you’ll break the vase. ……………………………………………………….

5.      Ha can pass the exam, she has to work hard.………………………………………………………

6.      He can do a part to save the environment by buying recycled products.

………………………………………………………………………………………………

7.      Putting garbage into the bins is one answer to minimize pollution.

……………………………………………………………………………………………

8.      We should take the map with us or we will lose our way on the street.

………………………………………………………………………………………………

9.      Ellen can borrow it, but she must give it back next week.

………………………………………………………………………………………………

10. The authorities are thinking of raising the petrol prices. I will have to cycle to work.

………………………………………………………………………………………

I. Use UNLESS instead of IF:

1. If you are not careful, you will cut yourself with that knife

- Unless...................

2. If you do not like this one, i'll bring you another

- Unless...............

3. She'll be late if she does not hurry.

- Unless..................

4. If you doesn't sneeze, he won't know that we are there.

- Unless..................

5. If she does her hair diffrently, she will look quite nice.

- Unless................

II. Make conditional sentences according to the fact provided (type1)

1. Keep silent or you wake the baby

- ..............................................................

2. Go right now or you'll be late for the train.

-.......................................................

3. Practice speaking English regularly or you will not pass this entrance exam.

-...................................................

Use UNLESS INSYEAD of IF:

1. if you are not careful, you will cut yourself with that knife.

- Unless.....................................................................................

2.If you do not like this one,I'll bring you another. -Unless................................................................

3. She'll be late if she does not hurry. -Unless...........................................................................

4. If you doesn't sneeze, he won't know that we are there.

-Unless..............................................................................................................

5. Turn down the ga or the rice will burn. -Unless.........................................................................

(Các bạn giải hộ mình với ạ ^^ )

a. Put the verb in brackets into the correct tense:

1.If I see him, I (give) ....................................... him a gift.

2.If he (study) .................................... hard, he can pass the exam.

3.Rice plants (grow) ................................ if there is enough rain.

4.If she (not hurry) ................................., she may be late.

5.If I tell you a secret, ............... you (promise) ........................ not to tell it to anyone ?

b.Use UNLESS instead of IF :

1.If you are not careful, you will cut yourself with that knife.

- Unless ...................................................................................................................................

2.If you do not like this one, I’ll bring you another.- Unless .........................................................

3.She ‘ll be late if she does not hurry. - Unless ...........................................................................

4.If you doesn’t sneeze, he won’t know that we are there.

- Unless......................................................................................................................................

5.If she does her hair differently, she will look quite nice.

- Unless ...........................................................................................................................................

c.Make conditional sentences according to the fact provided (type 1)

1.Keep silent or you wake the baby.- ..............................................................................................

2.Go right now or you’ll be late for the train.- ..............................................................................

3.Be calm or you’ll make a wrong decision.- ................................................................................

4.Practice speaking English regularly or you will not pass this entrance exam.

- ......................................................................................................................................................

5.Turn down the gas or the rice will burn. -....................................................................................