题目内容
—I don't know _______.
—You can go and ask Jack.
—You can go and ask Jack.
[ ]
A. when does the train leave
B. that we will plant trees or not
C. if she had come yesterday
D. what I should buy for him
B. that we will plant trees or not
C. if she had come yesterday
D. what I should buy for him
D
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