---Why haven’t you asked her to come here?---She _______ an important experiment

---Why haven’t you asked her to come here?---She _______ an important experiment

题型:不详难度:来源:
---Why haven’t you asked her to come here?
---She _______ an important experiment when I found her and she _____ it.
A.had done; didn’t finish
B.was doing; hasn’t finished
C.did; wouldn’t finish
D.has done; hadn’t finished

答案
B
解析
你为什么没让她来这里呢? 可以判断她没有来。她还在做实验 所以她还做完实验, she hasn’t finished it. 对现在产生了影响,而且还没有完成,所以用现在完成时。当我找到她的时候,她在做实验。过去进行时的概念。
举一反三
--- It’s difficult for the village children to cross the river for school.
--- I think a bridge _______ over the river.
A.should be builtB.is being builtC.has been builtD.was built

题型:不详难度:| 查看答案
-Where’s your father?
-He__________ Hongkong for three days.
A.has gone toB.has been inC.has been toD.went to

题型:不详难度:| 查看答案
Her uncle _________ to the factory .He will be back __________ an hour .
A.has gone, afterB.has been, in
C.has gone, in D.has been, after

题型:不详难度:| 查看答案
I’m sorry you’ve missed the train. It _______ 10 minutes ago.
A.has leftB.had leftC.leftD.has been away

题型:不详难度:| 查看答案
When ___you _____ your breakfast this morning? At 6.00.
A.have, hadB.did, haveC.are, have D.has, had

题型:不详难度:| 查看答案
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