86.I think he (leave) …................……………… as soon as (ngay sau khi) he knows the news.
87.He (sleep) ……….........…………. so he didn’t understand what you said to him.
88.Some animals (not eat) ………….............……… during the winter.
89.Why didn’t you listen while I (speak) ……..................……………. to you ?
90.How many cigarettes ………......... you (smoke) ……............……. today ?
91. It (be) ……………….. hours since he left. 92…............... you ever (see) …...............……. a ghost ?
93.This time last year they (visit) ……...................…………… Ha Long Bay.
94.They (arrive) ………................………….. in a few minutes.
95………. you (be) ………… to England ? - Yes, I (go) ………………. there three years ago.
96.Of course, I’m not going to give her a gold ring. If I (give) …….... her a gold ring, she (sell)…....…… it
97.I (make) ………………… a cake when the light went out. I had to finish it in the dark.
98.Jack is trying to give up(từ bỏ) smoking. He (not have) ……………..a cigarette for a week.
99.When he (return) …………….. I will give him the key.