问题
选择题
.—______ I lock the lab before I go home?
—Don’t bother.I’ll check it myself later.
A.May
B.Must
C.Can
D.Shall
答案
答案:D
.—______ I lock the lab before I go home?
—Don’t bother.I’ll check it myself later.
A.May
B.Must
C.Can
D.Shall
答案:D