I. Put the verbs into the suitable form, the present perfect

1.

A : how long have you been studying english ?

B : i have learnt english since i was twelve

2.

B : yes, i have been waiting for two hours, but my friend hasn't come yet

3.

A : I have lost my address book. Have you seen it anywhere ?

B : yes, i have just seen it on bookshelf

4. 

A : you look tired. Have you worked so hard ? 

B : yes, i have been studying for four hours and probably won't finish until midnight

5.

A : have you seen mark recently ? 

B : no, i doesn't see him since chrismas, i wonder where he lives since then

6.

B : it's because you have been doing too much 

A : well, at least i have finished that report now, and i can relax

7.

A : someone is leaving the ladder outside, look

B : i expect that's Mike. He is cleaning the windows. i don't think he has finished yet 

        -answer by jane-

doneat7:51pm 

p/s : mình chỉ làm đến đây thôi tại đến giờ đi học thêm rồi, sorry nhé >3

1.

A : how long have you been studying english ?

B : i have learnt english since i was twelve

2.

B : yes, i have been waiting for two hours, but my friend hasn't come yet

3.

A : I have lost my address book. Have you seen it anywhere ?

B : yes, i have just seen it on bookshelf

4. 

A : you look tired. Have you worked so hard ? 

B : yes, i have been studying for four hours and probably won't finish until midnight

5.

A : have you seen mark recently ? 

B : no, i doesn't see him since chrismas, i wonder where he lives since then

6.

B : it's because you have been doing too much 

A : well, at least i have finished that report now, and i can relax

7.

A : someone is leaving the ladder outside, look

B : i expect that's Mike. He is cleaning the windows. i don't think he has finished yet 

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