ai biết giúp mk vs 17: They last talked to each other two months ago => They haven't ............................................................ 18: The last
ai biết giúp mk vs 17: They last talked to each other two months ago => They haven't ............................................................ 18: The last time she saw her elder sister was in 1999 => She hasn't.................................................................. => She last......................................................................... 19; She hasn't written to me for many years => It's many years ............................................................ => She last ........................................................................... => The last time .................................................................. 20: It's two weeks since they cleanded their room => They.................................................................................. 21: It's over six months since John had his hair cut => John last ............................................................................ => John hasn't .................................................................... => The last time.................................................................
Lời giải 1 :
17. They haven't talked to each other for two months.
(S+last+V2+O+...=S+have/has not + V3/ed+O)
18. She hasn't seen her elder sister since 1999.
(The last time+S+V2/ed+O+was+time=S+have/has not+V3/ed+since+time)
She last saw her elder sister in 1999
(S+last+V2+O+...=S+have/has not + V3/ed+O)
19. It's years since she wrote to me.
(S+have/has not+V3/ed+for+time=It's years since+S+V2/ed)
She last wrote to me many years ago
(S+last+V2+O+...=S+have/has not + V3/ed+O)
The last time she wrote to me was many years ago
(The last time+S+V2/ed+O+was+time=S+have/has not+V3/ed+since+time)
20. They haven't cleaned their room for 2 weeks
(S+have/has not+V3/ed+for+time=It's years since+S+V2/ed)
21.John last had his hair cut over 6 months ago
(S+last+V2+O+...=S+have/has not + V3/ed+O)
John has had his hair cut for over six months.
(S+have/has not+V3/ed+for+time=It's years since+S+V2/ed)
The last time John had his hair cut was 6 months ago
(The last time+S+V2/ed+O+was+time=S+have/has not+V3/ed+since+time)
Thảo luận
Lời giải 2 :
17. The last time he wrote to me was April.
18. She hasn’t seen her elder sister since 1999.
19. It’s years since she last wrote to me.
20. They haven't cleaned their room for 2 weeks.
21. Joh hasn't had his hair cut for six months.
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