问题
选择题
—Where is our English teacher?
—He hasn't come to school today.I think he______be ill. [ ]
A. has to
B. should
C. may
D. can
答案
答案:C
—Where is our English teacher?
—He hasn't come to school today.I think he______be ill. [ ]
A. has to
B. should
C. may
D. can
答案:C