.—Jack fell off a ladder yesterday,but he’s all right.
—He’s lucky;he _________ himself badly.
| A．might hurt | B．could have hurt |
| C．must have hurt | D．should hurt |
（上海卷34）.you may have, you should gather your courage to face the challenge.
| A．However a serious problem | B．What a serious problem |
| C．However serious a problem | D．What serious a problem |
（重庆卷32）. Today, we will beginwe stopped yesterday so that no point will be left out.
| A．when | B．where | C．how | D．what |
. Because of the heavy traffic，it was already time for lunch breakshe got to her office.
| A．since | B．that | C．when | D．until |
（陕西卷20）. John thinks it won’t be long he is ready for his new job.
| A．when | B．after | C．before | D．since |
．（山东卷28）. The school rules state that no child shall be allowed out of the school during the day, ______ accompanied by an adult.
| A．once | B．when | C．if | D．unless |