—— It's no  easy task to catch a ticket on a website that receives l billion clicks daily.一一I can’t agree with you more.There      be errors for every single step
#62794
A
should
B
must
C
can
D
will
推荐题目
Reading in bed isn’t      our eyes. 
#78099
A
good at
B
weak in
C
bad for
D
good for
----Mum, ____ I watch TV now? ----No, you ____. You _____ finish your homework first.
#77312
A
may; can’t; must
B
can; can’t; may
C
must; needn’t; must
D
may; mustn’t; can
You __ drive your car so fast. It's very dangerous.
#75401
A
wouldn't
B
shouldn't
C
couldn't
D
mightn't