desert may be C. may a desert be dry D. dry may a desert beР23.(2011·辽宁卷)29.He had no sooner finished his speech the students started cheering.Р?A. since B. as C. when D. thanР24.(2011·全国新课标卷)22.Try she might, Sue couldn’t get the door open.Р?A. if B. when C. since D. asР25. (2011·浙江卷)One Friday, we were packing to leave for a weekend away __ my daughter beard cries for help Р?A.after B.while C.since D.whenР26.(2011·湖南卷)33 Jack wasn’t saying anything but the teacher smiled at him ____ he had done something very clever.Р?A.as if B.in case C.while D.thoughР27.(2011·山东卷)28.He had his camera ready ______he saw something that would make a good picture.Р?A.even if B.if only C.in case D.so thatР28.(2011·重庆卷)30.To show our respect, we usually have to take our gloves off we are to shake hands with.