John's success has nothing to do with good luck. It is his hard work __________ has made him what he is today.
| A．why | B．when |
| C．which | D．that |
Thanks to Mr. Smith the father and the son eventually______________ after ten years' cold relationship between them.
| A．took up | B．made up | C．looked up | D．turned up |
—A medical team was sent to Japan by air five hours ago.
—So they ______________ have arrived by now. The flight usually takes four hours or so.
| A．might | B．could | C．must | D．need |
He got wellprepared for the job interview, for he couldn't risk the good opportunity_______.
| A．to lose | B．losing | C．to be lost | D．being lost |
________ there is going to be a policy change ________ of those things is going to change.
| A．Unless; few | B．Until; few | C．Unless; none | D．Until; none |
—I'm sorry. I shouldn't have been so rude to you.
—You ________ something not very nice to me, but that's OK.
| A．have said | B．had said | C．were saying | D．did say |