Part B:

I)

 1.B

 2. D

II) 

 1. B

 2. A

III)

 1. C

 2. D

 3. B

 4. B

IV)

 1. will see

 2. didn't go

 3. speak

 4. have known

Part E:

 I)

  1. to turn off the lights

  2.  enough to lift this table

  3. I should do my homework careful 

(mk chỉ giải đc ngầng này thôi! bn thông cảm!)

Part b.

I. 

1 b

2. d

II.

1. B

2. A

III.

1/ C

2. D

3. B

4. A

IV.

1. will see

2. didn't go

3. speaking

4. have known

Part E

I.

1. to turn off the lights

2. ..enough to lift this table

3. that I should fo my homework carefully.

4. ... as intelligent as Ba.

II.

1. She has learnt this language since 2008.

2. I and my friend are going to plant trees and flowers in the school garden.

3. My grandmother used to live in countryside when she was young.

4. She hates going swimming on Sunday.