问题
选择题
-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
答案
答案：A
搜题请搜索小程序“爱下问搜题”
-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
答案：A