问题
选择题
-Could I watch TV for another while, mum?
-Oh, dear, if you ______. [ ]
A. can
B. must
C. may
D. should
答案
答案:B
-Could I watch TV for another while, mum?
-Oh, dear, if you ______. [ ]
A. can
B. must
C. may
D. should
答案:B