35．She 　　　　more visits to her parents．She has been regretting not doing so since they

passed away．

　　 A．should pay　　　 B．would pay　　　　 C．should have paid　 D．would have paid

34．--- The accident might not have happened had we been more careful.

　　 --- But we _____ at that time.

　 A. hadn’t　　　　　 B. didn’t　　　　　　 C. weren’t　　　　 D. might not

33．Among her books were 　　　　that helped with her research，which Professor Smith gave her as birthday presents．

　　 A．the ones　　　　 B．ones　　　　　　　 C．some　　　　　 D．the others

32．This is not an economical way to get more water；　　　 　it is very expensive．

　　 A．worse still　　 B．on the contrary　　　 C．in short　　　　 D．in addition