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
—Happy birthday, Mary!—Thank you! It’s the best present I         for.
#86454
A
should have wished
B
may have wished
C
must have wished
D
could have wished
The new CEO asked that all inter-office communications ______ in writing rather than in person, ______ possible.
#87220
A
have been made; whoever
B
would be made; whichever
C
be made; whenever
D
were made; whatever