![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
I didn't know the answer, ______.A.neither he didB.neither did heC.neither he knewD.he did
I didn't know the answer, ______.
A.neither he did
B.neither did he
C.neither he knew
D.he didn't neither
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
I didn't know the answer, ______.
A.neither he did
B.neither did he
C.neither he knew
D.he didn't neither
The mason ______ I didn't do this exercise is I didn't know how to do it.
A.why...because
B.why...that
C.for...that
D.that...because
I didn't know ______ or stay here.
A.either to go
B.whether to go
C.if to go
D.if that I should go
A.happened to
B.happened upon
C.occurred to
D.occurred upon
I didn't know what to do but then an idea suddenly ______ me.
A.happened to
B.entered
C.occurred to
D.took place
W: Mr. Smith, I’m sorry I didn’t finish my homework on time.
M:________.I know you’ve been taking care of your father these days.
A.That all depends
B.Help yourself
C.You are welcome
D.Come on
He didn' t know I was in his office. He was too busy to ______ me.
A.pay attention to
B.notice
C.know
D.realize
I didn't know the word. I had to______ a dictionary.
A.look out
B.make out
C.refer to
D.go over
A: I didn't know this was a one-way street to that avenue, officer. B:______
A.That's all right.
B.You are sure.
C.How dare you say that ?
D.Sorry, but that's no excuse.
I didn’t know what e-mail, but then an idea suddenly_____to me
A.should I send…happened
B.I should send…entered
C.I should send…occurred
D.should I send...hit
—She‘s broken her arm again. —Again? I ______ she _______ ever broken it before. A. don‘t know; has B. didn’t know; had C. didn‘t know; has D. hadn’t know; would