41.C 由trod water及drinking and eating可看出
40.A 由…start at 7︰09 in the morning和while drinking and eating推测可知答案。
39.C started out出发。
38.D 由文章最后面的句子I get my car this time 得知。
37.B unless she asked如果他不要求。
36.D promise sb. sth. 答应某人某事。
55.A. demand B. am afraid C. hope D. guess
54.A. in spite of B. because of C. against D. during
53.A. flying B. swimming C. crossing D. passing
52.A. fresh B. greater C. weakening D. remaining