问题
选择题
— Look at the boy running on the ground, Is it David?
— It _____ be him, he has just gone to the teacher's office. [ ]
A. must
B. can't
C. could
D. may
答案
答案：B
搜题请搜索小程序“爱下问搜题”
— Look at the boy running on the ground, Is it David?
— It _____ be him, he has just gone to the teacher's office. [ ]
A. must
B. can't
C. could
D. may
答案：B