What a nice picture you have drawn!I _____ know you _____ so well A.didn't,can draw B.do,can't draIWhat a nice picture you have drawn!I _____ know you _____ so wellA.didn't,can drawB.do,can't drawC.didn't,could drawD.did,couldn't draw前空格填did

What a nice picture you have drawn!I _____ know you _____ so well A.didn't,can draw B.do,can't draIWhat a nice picture you have drawn!I _____ know you _____ so wellA.didn't,can drawB.do,can't drawC.didn't,could drawD.did,couldn't draw前空格填did
What a nice picture you have drawn!I _____ know you _____ so well A.didn't,can draw B.do,can't dra
IWhat a nice picture you have drawn!I _____ know you _____ so well
A.didn't,can draw
B.do,can't draw
C.didn't,could draw
D.did,couldn't draw
前空格填did过去式,没疑问.问题后面是填can 还是could?Why?

What a nice picture you have drawn!I _____ know you _____ so well A.didn't,can draw B.do,can't draIWhat a nice picture you have drawn!I _____ know you _____ so wellA.didn't,can drawB.do,can't drawC.didn't,could drawD.did,couldn't draw前空格填did
答案是C.其实你可以这么理解,I didn't know (that) you could draw so well,括号里面的that给省略掉了,这其实是一个过去时的从句；你也可以说I don't know (that) you can draw so well.

C

选A
首先后面这个句子的意思是 我没想到你能画这么好
否定前移 有因为是之前没想到 所以是过去式 所以第一个空填 didn't
因为第一个空已经填了过去式了 所以第二个空就该填原形了 所以是can而不是could

自己看看吧！纯手工，望给分！
1、can 表示现在的能力，could 表示过去的能力，例如：He can speak a little English now.
She could play the piano when she was five.
2、在表示请求许可时，没有时间区别，在语气上could 更加委婉客气，例如：
Can I use your pe...

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自己看看吧！纯手工，望给分！
1、can 表示现在的能力，could 表示过去的能力，例如：He can speak a little English now.
She could play the piano when she was five.
2、在表示请求许可时，没有时间区别，在语气上could 更加委婉客气，例如：
Can I use your pen ?
Could I have a look at your book ?
3、在表示可能性方面，没有时间区别，can 可能性比could 大；1、can 表示现在的能力，could 表示过去的能力，例如：He can speak a little English now.
She could play the piano when she was five.
2、在表示请求许可时，没有时间区别，在语气上could 更加委婉客气，例如：
Can I use your pen ?
Could I have a look at your book ?
3、在表示可能性方面，没有时间区别，can 可能性比could 大；表示逻辑上或理论上的可能性，而不是某种实际上将要发生或正在发生的可能性。
Can it be true? 这会是真的吗？
Anybody can make mistake.任何人都可能犯错误。
The weather here could be very cold in winter. 冬天这的天气有时很冷。
一般用于否定句和疑问句。
He can't be at home.他不可能在家。
注意和may not 的区别。
He may not be at home. 他可能不在家。
也可以用于肯定句。，
An accident can happen if you do this.
如果你这样做，可能会发生事故

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C