问题
选择题
Mr White ______ be at home. He has gone to Beijing on business. [ ]
A. mustn't
B. can't
C. can
D. must
答案
答案：B
搜题请搜索小程序“爱下问搜题”
Mr White ______ be at home. He has gone to Beijing on business. [ ]
A. mustn't
B. can't
C. can
D. must
答案：B