错题订正,要写出原因1.He -----[not post]the letter for me .it ia still on his desk.为什么不能填didn't post而要填hasn't posted? 2.what have you done with the apples .we just ---[eat] them.为什么不能填ate而要填eaten? 3.left he

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错题订正,要写出原因1.He -----[not post]the letter for me .it ia still on his desk.为什么不能填didn't post而要填hasn't posted? 2.what have you done with the apples .we just ---[eat] them.为什么不能填ate而要填eaten? 3.left he
错题订正,要写出原因
1.He -----[not post]the letter for me .it ia still on his desk.为什么不能填didn't post而要填hasn't posted? 2.what have you done with the apples .we just ---[eat] them.为什么不能填ate而要填eaten? 3.left here ten minutes ago.[改为同义句】 ----- ------ ------- from here for ten minutes.该怎么改.为什么? 4. Tom is as ----[luck] as us .为什么不能填luck而要填lucky? 5.My anut arrived here ---- a warm spring morning. A.in B. at C.on D.by 为什么不能选A,如果不选A,那选什么?

错题订正,要写出原因1.He -----[not post]the letter for me .it ia still on his desk.为什么不能填didn't post而要填hasn't posted? 2.what have you done with the apples .we just ---[eat] them.为什么不能填ate而要填eaten? 3.left he
1,因为强调结果没有做,所以要用现在完成时 2.因为是just,有它要用现在完成时 3.has been away,因为后面是for+一段时间,所以前面的动词要用延续性动词 4.因为做表语,所以要用形容词 5.C,因为具体某一天一定要用on