Supply the correct verb form

giúp em với, e cảm ơn ạ
----- Nội dung dịch tự động từ ảnh -----
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III. Supply the correct verb form
1.After he (close).....
2. Mr Green(teach)...
3. How long you (learn) English..
4, A new supermarket (build)..
5. While he (write)....
6, The plane to London (fly)..
the door , he went to bed.
English in this school since he graduated from the university in 1986.
.?
.here next year
(ring)
..a letter, the phone.....
.in two hours
the words given.