40.A.classmate’s B.schoolmate’s C.sister’s D.family’s
39.A.bring B.fetch C.collect D.take
38.A.however B.but C.yet D.so
37.A.participate B.involve C.choose D.go
36.A.useless B.careless C.homeless D.hopeless
34. With many major economic problems_______ to be solved, there is no point _______ the
growth rate of this year now.
A. remaining; in predicting B. remaining; to predict
C. remained; in predicting D. remained; to predict
33. When the environmentally friendly cars came onto the market, many people were eager to buy them ________ the price.
A. wherever B. however C. whichever D. whatever
32. Acupuncture (针刺疗法) is ______ at reducing back pain ______ medicines, according to researchers.
A. twice as effective; as B. as twice effective; than
C. effective as twice; as D. twice effective as; than
31. ---What does the sign over there say?
---No person ______ enter the area without official permission.
A. will B. shall C. must D. may