问题
选择题
－Is Mr Li in his office?
－No, he _____ in the office. He's ill in hospital. [ ]
A. mustn't be
B. can't be
C. should be
D. needn't be
答案
答案：B
搜题请搜索小程序“爱下问搜题”
－Is Mr Li in his office?
－No, he _____ in the office. He's ill in hospital. [ ]
A. mustn't be
B. can't be
C. should be
D. needn't be
答案：B