Mrs. White found her husband surrounded by letters and papers and_______ very worried.
| A．look | B．looked | C．looking | D．to look |
．（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 |
．（辽宁卷29）. The old man asked Lucy to move to another chair _______ he wanted to sit next to his wife.
| A．although | B．unless | C．because | D．if |
（江西卷22）.— Our holiday cost a lot of money.
— Did it? Well, that doesn`t matter you enjoyed yourselves.
| A．as long as | B．unless | C．as soon as | D．though |
. Tim is in good shape physically__________ he doesn’t get much exercise.
| A．if | B．even though | C．unless | D．as long as |
．（福建卷26）.The girl had hardly rung the bell the door was opened suddenly, and her friend rushed out to greet her
.
| A．before | B．until | C．as | D．since |