The Internet is really ________ to us. We can get a lot of things from it.
#74486
A
useful
B
difficult
C
different
D
safe
推荐题目
I’m very glad I have my own room in my house. I ____ do all I like in it.
#75629
A
can
B
must
C
will
D
need
Very loud noises make people ill. So we make great noise.
#76298
A
must ; mustn’t
B
need ; needn’t
C
can ; mustn’t
D
must ; can’t
—May I take photos in the museum? —No, you . You obey the rules here.
#74471
A
may not; can
B
mustn’t; may
C
can’t; can
D
mustn’t; must
—Must I clean the blackboard now? —No, you _______ clean it later.
#76778
A
must
B
needn’t
C
can
D
shouldn’t
My sister met him at the Grand Theatre yesterday afternoon，so he ________ your lecture.
#62507
A
couldn't have attended
B
needn't have attended
C
mustn't have attended
D
shouldn't have attended