He tried to _______ his son of the danger of spending more than he earned.
| A．realize | B．tell | C．persuade | D．warn |
“I know she was in because I heard her radio, but she didn’t open the door.” “She___the bell.”
| A．may not be hearing | B．may not have heard |
| C．must not have heard | D．must not be hearing |
—How are you doing all these years, Jim?
—Nothing new. Everything is going on _______ it was years ago.
| A．as | B．while | C．when | D．since |
--What should I wear to attend his wedding party?
--Dress __________ you like.
| A．what | B．however | C．whatever | D．how |
She may have missed the train, ___________ she won’t arrive for another hour.
| A．in which case | B．in her case | C．in any case | D．in that case |
It was purely ______ chance that the mistake was discovered.
| A．in | B．for | C．by | D．from |