问题描述：
A 21.—What can I do for you,Madam?
—No,thanks.I ________.
A.just look for someone B.am just looking around
C.can do it myself D.just wait for a friend
A....
—No,thanks.I ________.
A.just look for someone B.am just looking around
C.can do it myself D.just wait for a friend
A....
问题解答：
我来补答展开全文阅读