Better _____ all the lights are turned off before you leave the classroom.
| A．to be sure | B．to make sure | C．be sure | D．make sure |
--You're not angry then?
--__________ .I've never laughed so much in my life.
| A．I'm not sure | B．I hope so |
| C．I'd rather not | D．Far from it |
— You haven’t done it well.
— But I tried my best and did it _____ a way ____ I think is the best.
| A．in; / | B．/; in which |
| C．by; in that | D．in; which |
It was strange that you ______ for Maggie’s address. I just got a letter from her---the first one since her family moved on August 31, 1999.
| A．should have asked | B．would have asked |
| C．shall ask | D．might ask |
_______, her hands shook constantly and violently.
| A．Knowing her son killed in the accident |
| B．When she knew her son was killed in the accident |
| C．Known her son killed in the accident |
| D．She knew her son killed in the accident |
_____, he will ____his father’s business in the coming year.
| A．Intelligent enough, take over |
| B．Enough intelligent, hand over |
| C．Intelligently enough, take over |
| D．Enough intelligently, hand over |