—"Are you free on Saturday?" —"_________
问题:
—"Are you free on Saturday?"
—"_________ I have to do the housework." [ ]
A. I'm glad to
B. I don't think so
C. I think so
—"Are you free on Saturday?"
—"_________ I have to do the housework." [ ]
A. I'm glad to
B. I don't think so
C. I think so