问题
选择题
_ Who's that boy reading in the garden? Is it David?
_ It __________ be David. I saw him in the classroom just now.[ ]
A. must
B. can't
C. may
D. shouldn't
答案
答案：B
搜题请搜索小程序“爱下问搜题”
_ Who's that boy reading in the garden? Is it David?
_ It __________ be David. I saw him in the classroom just now.[ ]
A. must
B. can't
C. may
D. shouldn't
答案：B