We ________ jump to conclusions before we have all the facts.
| A．couldn't | B．mightn't | C．shouldn't | D．mustn't |
It is such a difficult problem _______ no one can work out.
| A．as | B．that | C．so | D．thus |
–Well, where did you spend your night that day? --At __________.
| A．where it is called Grand Hotel | B．what is called Grand Hotel |
| C．which is called Grand Hotel | D．that is called Grand Hotel |
–Have you seen the film? --Yes. I __________ it three times when I was in Tokyo.
| A．saw | B．had seen | C．have seen | D．was seeing |
Failure is the mother of success. ______ your courage and you’ll succeed.
| A．Keep off | B．Keep out | C．Keep up | D．Keep on |
When she came several days later, she found that all things still ______ where she had ________ them.
| A．lay; laid | B．laid; laid | C．lay; lain | D．lying; laid |