第12题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. Mrs. Fisher wants to go abroad. B. Mrs. Fisher has no family. C. Mrs. Fisher is in hospital. D. There are three people in Mrs. Fisher’s family. 参考答案:B 答案解析:[听力原文]
W: I wonder if Mrs. Fisher has any family. Her room is always quiet.
M: Actually she is a m
第26题: [单项选择]They repeated the experiment several times __________ they were sure that the result was reliable. A. until B. for C. since D. when 参考答案:A 答案解析:状语从句。他们把试验重复了好几次，直到他们确信结果是可靠的。▲until引导时间状语从句，表示动作持续到某一时间点。其他选项不合题意。
第34题: [单项选择]The vegetables didn't taste very good. They ______ too long. A. had been cooked B. were cooked C. had cooked D. cooked 参考答案:A 答案解析:cook发生在didn't taste very good之前，且与主语之间有被动关系，故用过去完成时的被动语态。
