问题:
—Could you come to my house for dinner this Saturday?
—I"m sorry, _____ I have to go to a meeting.
[ ]
A. and
B. but
C. although
D. so
—Could you come to my house for dinner this Saturday?
—I"m sorry, _____ I have to go to a meeting.
B. but
C. although
D. so
—I"m sorry, _____ I have to go to a meeting.
[ ]
A. and B. but
C. although
D. so
参考答案: