1,She expects....a doctor A.to become B.to becoming C.becoming D.become 2,They believe that sport can....any barriers A.cross B.border C.step D.stand 3,If the area is hit by the storm,a lot of damage..... A.caused B.will caused C.will be caused D.would cause 4.She usually spends one hour riding to school every day. A.She usually studies in school one hour every day B.It usually takes her on hour to ride to school every day C.She usually goes to school by bike once a day D.It toot her one hour to go to school by bike 5.This problem is hard to solve...it's very complicated A.so B.although C.but D.because