— It’s no easy task to catch a ticket on a website that receives 1 billion clicks daily.—I can’t agree with you more.There ________ be errors for every single step.
#62311
A
should
B
must
C
will
D
can
推荐题目
The Internet is really ________ to us. We can get a lot of things from it.
#74486
A
useful
B
difficult
C
different
D
safe
You ________ in person; a telephone would have been enough.
#62596
A
couldn’t have come
B
needn’t have come
C
shouldn’t have come
D
mustn’t have come
--Will you read me a story, Mummy?--OK. You ________have one if you go to bed as soon as possible.
#63116
A
might
B
must
C
shall
D
could
Had the US Airways captain not guided his jet to a safe landing on the Hudson River, just west of New York, over 100 people aboard ______, along with many more on the ground.
#62916
A
might have died
B
needn’t have died
C
must die
D
shouldn’t die