问题

Would you mind not littering in the classroom — ______ I’ll pick up the waste paper
A:Before
B:Where
C:Unless
D:Until
B:Where
C:Unless
D:Until
正确答案是:
同类题型
I don’t think she will come to the meeting on time, ______?
Where have you been recently? —I ________ in Hangzhou on business for a week last month
Statistics show that men have _____ as women do for every mile they drive. [ ]
onth, the Japanese government expressed their thanksfor the air they_______ from China.