We must run, otherwise we will be late.

admin2009-06-15  10

问题 We must run, otherwise we will be late.

选项 A、but
B、if not
C、when
D、unless

答案B

解析
转载请注明原文地址:https://kaotiyun.com/show/Rw2d777K
0

最新回复(0)