问题
That’s all for the introduction to your arrangements these daysSo now ______ there are any questions, I’d like to go ahead and start the first video
A:if
B:unless
C:until
D:though
B:unless
C:until
D:though
正确答案是：
同类题型
you the other day that Tom had agreed with youridea, ________
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Although all of the apples _______, none of them _______ good.