I’d like to know _________ Chinese.
A.when he began to learn |
B.where did he begin to learn |
C.when did he begin learning |
D.for how long he begins to learn |
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I’d like to know _________ Chinese.
A.when he began to learn |
B.where did he begin to learn |
C.when did he begin learning |
D.for how long he begins to learn |