He pushed the door again and again, but it ___ open.
#89064
A
may not
B
can't
C
didn’t
D
wouldn't
推荐题目
Elise remembers many things exactly as if it ______ yesterday.
#89434
A
was happening
B
happens
C
has happened
D
happened
— I saw Mr Li at the meeting yesterday.— Did you? He _______ have attended it, for he had asked for sick leave.
#87289
A
needn’t
B
couldn’t
C
shouldn’t
D
mustn’t
The elderly ______ good care of in public places like supermarkets and airports; they are likely to get lost.
#87752
A
can have been taken
B
ought to be taking
C
must be taken
D
should take
------ Who is that man over there? _______ it be our teacher?------ No, it _______ not be our teacher. It _______ be Mr. Zhang.
#88214
A
can ; can; must
B
must; must; can
C
can; must; must
D
can; must; can