37.When I saw the movie,I could not help ___ of the years I had spent in the countryside.
A.to think B.thinking C.think D.and think B
38.______ my grandma taught me has become a very important part of my life.
A.What B.How C.Which D./ A
39.The students thought it difficult to carry out their plans all _____.
A.by themselves B.in themselves C.to themselves D.of themselves A
40.Nobody could _____ a satisfactory explanation of the accident.
A.come through B.come up with C.come upon D.come into B
41.It _____ 30 years since I got to know him in Wuhan.
A.is B.was C.had been D.being A
42.Having been operated _____ twice for the disease,she was so weakened that she could barely stand up.
A.at B.with C.on D.in C
43.It is well known that lung cancer is caused at least ____ by smoking too much.
A.in spite of B.in detail C.in addition D.in part D
44.Hainan Island attracts tourists ____ in winter _____ in summer.
A.neither …or B.not only ….but also C.hardly… when D.no sooner ..than B
45.His illness is incurable.It’s a terrible thing for him to know _____ the doctors are not able to save his life.A.what B.that C.which D.where B