问题:
Do come here on Monday, _____ we, as planned, will take part in the gathering of AIDS prevention volunteers.
[ ]
A. then
B. and
C. therefore
D. or
Do come here on Monday, _____ we, as planned, will take part in the gathering of AIDS prevention volunteers.
B. and
C. therefore
D. or
[ ]
A. then B. and
C. therefore
D. or
参考答案: