-- May I smoke here?-- If you____, that's the smoking section over there.
#87284
A
should
B
could
C
may
D
must
推荐题目
I really don’t know how to thank you , but for your help, I ______ my lost necklace．
#87790
A
couldn’t have found
B
mustn’t have found
C
couldn’t find
D
wouldn’t find
—Is Pro. Smith giving the speech today?—It __________ be him. He is abroad right now.
#87621
A
can’t
B
needn’t
C
won’t
D
mustn’t
The plant is dead. I ______ it more water.
#87232
A
will give
B
will have given
C
should have given
D
must give
Imagine what today’s life would be like if Alexander Bell _____ the telephone more than 130 years ago!
#87256
A
didn’t invent
B
wouldn’t invent
C
hadn’t invented
D
wouldn’t have invented