问题
选择题
一I can stay and help you ________ you like.
一So nice of you.Bill. [ ]
A. until
B. though
C. if
D. and
答案
答案：C
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一I can stay and help you ________ you like.
一So nice of you.Bill. [ ]
A. until
B. though
C. if
D. and
答案：C