跪求一些英语题的答案···高分悬赏

(B)26. ____ children in our neighbourhood have ____ good time on ____ Children’s Day
A. /, a, the B. The, a, / C. a, the, / D. /, /, the
(A)27. Living in the city has many ____ such as good schools, big shopping centers and so on.
A. advantages B. activities C. difficulties D.communications
(D)28. He played a joke ____ me ____ pretending he had lost his passport.
A. at, for B. in, about C to, with D on, by
(C)29. They really enjoy the ____ air in the morning in the countryside.
A. freshest B. more fresh C. fresh D. much fresher
(C)30. My brother has been _____ a job since half a year ago, but he hasn’t ____one yet.
A. looking forward to, looked B. looking after, got C. looking for, found D. looking up, seen

23-30 B A D C C

B A D C C