---Where ____ my glasses?I can’t find them.---I____ them on the table,but they aren’t there.A.you put;put B.you have put;have put C.have you put;put D.did you put;have put为什么D不可以?

问题描述:

---Where ____ my glasses?I can’t find them.---I____ them on the table,but they aren’t there.
A.you put;put B.you have put;have put
C.have you put;put D.did you put;have put
为什么D不可以?

第一句强调的是动作带来的影响,因此要用完成时态,第二句强调的是放的那个动作,故要用过去时

应为是现在式
如果 i could't
they wren't
那就D