问题
选择题
The students asked their monitor _______ have a picnic that weekend. [ ]
A. could they
B. if they could
C. if they can
D. where could they
答案
答案：B
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The students asked their monitor _______ have a picnic that weekend. [ ]
A. could they
B. if they could
C. if they can
D. where could they
答案：B