问题
选择题
You _____ go and ask Tom. He _____ know the answer.[ ]
A. must; can
B. need; can
C. can; may
D. must; may
答案
答案：C
搜题请搜索小程序“爱下问搜题”
You _____ go and ask Tom. He _____ know the answer.[ ]
A. must; can
B. need; can
C. can; may
D. must; may
答案：C