When you go by train, please see to it_______ you take an express, _______ that stops only at big stations.
A．that, one B．/, the one C．that, it D．/, it
It is nice to see millions who had nothing but a record of misery and hungry ______ to improve their life and living conditions．
A．having the chances B．have the chance
C．to have the chance D．had the chance
--- Do you mean to play the hero in the film?
--- _____. But it should be a character I like.
A．Not surprisingly B．Not necessarily C．Not importantly D．Not absolutely
—Can you describe _____ it happened?
—Yes, I was riding on my bike _____ a car knocked me down from behind.
A．when; as B．how; as C．how; when D．how; while
Sometimes the boy is a bad-tempered child, but he ____ be quite lovely when he wishes．
A．may B．can C．shall D．must
---I was trying to carry out the plan, but I failed.
---Well, you _____, for we were uncertain it would do ____.
A．needn’t do that, in fact B．needn’t have done, in effect
C．needn’t have, in practice D．needn’t, in time
