问题
选择题
.—Shall we attend the concert this evening? —Great idea, ___ we can do some shopping first.
A．when
B．where
C．since
D．If
答案
答案：D
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.—Shall we attend the concert this evening? —Great idea, ___ we can do some shopping first.
A．when
B．where
C．since
D．If
答案：D