Exercise 1:

1.A

2.D

3.C

Exercise 2:

1.chopsticks

2.waiter

3.menu

4.fry

5.peel

6.rest

7.at

8.care

9.cheapest

10.most

Exercise 3:

1. French grammar is not as easy as English grammar.

2. The new building is the same as the old one.

3. Which subject do you like best?

4. She likes computers.

5. The price of three bananas is 15000 dong.

6. This church is the oldest building in the town. 

7. The bathroom has a sink, a tube, and a shower.

Exercise 4:

1. Her daughter is as beautiful as her.

2. That dog is not as dangerous as it looks.

3. Schools in Vietnam are different from schools in the USA.

4. Learning French is as difficult as learning English.

5. These trees are as same as those.