问题
选择题
They have arrived at lunchtime but their flight was delayed.[ ]
A. will
B. can
C. must
D. should
答案
答案：D
搜题请搜索小程序“爱下问搜题”
They have arrived at lunchtime but their flight was delayed.[ ]
A. will
B. can
C. must
D. should
答案：D