I.1a

2a

3c

4c

5c

6a

7a

8a

9d

10d

II. 1.have helped

2.speaking

3.sent

4.are waiting

5.to have

III. 1. collected stamps for 3 years

2. if she enjoyed her class

3. they liked that place

4. played tennis since 1990

5. I have broken the cup

vote ctlhn nhé

I,

1.A

2.A

3.C

4.B

5.C

6.A

7.A

8.A

9.D

10.D

II,

1.have helped

2.speaking

3.sent

4.are waiting

5.to have

III,

1.They have collected stamps for three years

2.I asked her if she enjoyed her class

3.The tourists said they liked that place

4.I haven't played tennis since 1990

5.This is the first time he has broken the cup

Chúc bạn học tốt!!!