30．Next week we’ll pay a visit to the Great Wall, so in our absence please ________ our pet dog.

　　 A. have an eye for　 B. keep an eye on　 C. keep an eye out for　 D. make eyes at

29．Hard work and lack of sleep have ________ her beauty and youth in recent years．

A. worn out　　 B. tried out　　　　 C. made out　　　　　 D. sent out

28．The moment we heard the news of the earthquake, we began to ________ the work to rescue those who were trapped in the building.

A．set off　　B．set down　　　　 C．set about　　　 D．set aside

27．Although they lost their jobs, savings and unemployment benefits allow the couple to 　________ their comfortable home.

A．put up with　　 B．catch up with　 　　　C．look forward to　　　D．hold on to

26．They had an accident on the road and didn’t ________ at their hotel until after midnight.

　　　 　A. check out 　　 B. check on　　 　　　 C. check in　 　　　 D. check over

25．There’s growing unrest among the poor and unemployed. The media points out that it’s the government that should have a lot to ________.

　　　 　A. go for　　　　 B. stand for　　　　 C. answer for　　 D. care for

24．We had hoped to move into the new house at the end of the month, but things didn’t ________ as we had expected.

　 　 A．show up　　　 B．work out　　　 C．take up　　　 D．pick out

23．The experiment has ________ the possibility of the existence of any life on that planet, but it does not mean there is no life on other planets.

A. carried out　　 B. pointed out　　　 C. found out　　 D. ruled out