问题

Susan started to clean the room;Lily was preparing lunch
A:however
B:but
C:meanwhile
D:when
B:but
C:meanwhile
D:when
正确答案是:
同类题型
Mrs. White found her husband surrounded by letters andpapers and_______ very worried.
-Are you coming to the English evening-I’m not sure. I go to the concert instead.
They still go on working, they feel tired.
Mr Black looks very excited.一Yes,90 percent of the students already come to his birthday party.
The more careful you are, _______ mistakes you’ll make in the exam.