-So you were in the supermarket ________
题型:选择题
问题:
-So you were in the supermarket __________ you heard a strange sound , right?
-That’s true. I ran out as quickly as possible.[ ]
A. when
B. while
C. then
D. which
-So you were in the supermarket __________ you heard a strange sound , right?
-That’s true. I ran out as quickly as possible.[ ]
A. when
B. while
C. then
D. which