5.C

6.B

7.A

8.A

b, 

1.sat.

2. laughing. 

3. to meet.

4. travelling.

III.

1.b

2.c

3.a

4.d

IV.

a, 

1. Rice is grown in China.

2.Grapes are used to make wine .

3.The television was invented by bell.

4.Three new factories have been built this year.

                         I DO NOT COPY

             Cho mik ctlhn né mik cảm ơn trước !!!Thanks!!!

b, 

1 sat

2 laughing (enjoy +ving)

3 to meet

4 travelling(suggested +ving)

III

1b

2c

3a

4d

IV

a, 

1. rice is grown in china

2.grapes are used to make wine 

3.the television was invented by bell

4.three new factories have been built this year