问题
Shall I help you with the washing up—I’ll do it later
A:if
B:unless
C:after
D:when
B:unless
C:after
D:when
正确答案是：
同类题型
Wherever I ____these daysI always carry my umbrella
－Would you like something to drink －No, thanks. I __________ a glass ofwater just now.
Her parents had had a very anxious moment buteverything ________ all right in the end.
Today or tomorrow?— What are you talking about?— We are talking about _______ to give a talk on WTO