Question

I don't know __.A. the reason why can be B. why the reason may beC. what the

Is Mr. Wu from Beijing? I don't know ________.A. where does he come from B. from where does he come
C. which city he comes from D. what city he comes from 为什么不选D
I don't know __.A. the reason why can be B. why the reason may beC. what the reason can be D.what the reason may be

Answer 1

Is Mr. Wu from Beijing? I don't know ________.A. where does he come from B. from where does he come
C. which city he comes from D. what city he comes from 为什么不选D
该题正确答案选A。指不知道他来自哪里。
首先B是可以直接排除的，语句不通顺。
C。Which，指哪个，但是这一天已经是明确的指出了事beijing了，没有哪个比较的对象，所以不恰当。
D，what，是指什么，一般情况下，很少有这样的问法。所以可以排除。

I don't know __.A. the reason why can be B. why the reason may beC. what the reason can be D.what the reason may be

选D

Answer 2

I don't know what the reason can be. /I don't know why.

which city he comes from

选C
D虽然没有语法错误，但是意思不如C好

Answer 3

I don't know __.A. the reason why can be B. why the reason may beC. what the
D.what the reason may be 最佳答案。

Is Mr. Wu from Beijing? I don't know ________.A. where does he come from B. from where does he come
C. which city he comes from D. what city he comes from
这个可以选D。 AB肯定不对，
C 也不如D更好。Which有在特定几个中选择的意思。

Answer 4

因为未被选为满意答案，故删去原回答内容，统一操作望谅解

Answer 5

which是特指，what泛指