_________ caused the accident is still a mystery.
| A．How | B．What | C．That | D．Where |
I am in______charge of the class which was in
charge of my wife.
| A．不填；the | B．不填；不填 |
| C．the; 不填 | D．the; the |
I didn’t like the story, ______ , it’s too long, also it was written by a writer I don’t know
| A．for one thing | B．for a thing |
| C．although | D．in one hand |
—I’m thinking of losing weight these days.
—Oh, you______ be out of your mind. You’re 50 kilograms at the most!
| A．will | B．should | C．may | D．must |
The media can often help solve problems and draw attention﹍﹍situations﹍﹍help is needed.
| A．in; that | B．to; which |
| C．in; where | D．to; where |
—What should we pay more attention to if we go north in winter, Mum?
—Nothing much. Take warm clothes______
the weather is cold.
| A．as long as | B．now that |
| C．if | D．in case |