问题
选择题
—Could you go to the beach with us this weekend?
—I'm sorry I can't. I ______ study for the history test.[ ]
A. can
B. could
C. may
D. have to
答案
答案：D
搜题请搜索小程序“爱下问搜题”
—Could you go to the beach with us this weekend?
—I'm sorry I can't. I ______ study for the history test.[ ]
A. can
B. could
C. may
D. have to
答案：D