求大学英语三作业2答案3（单选）

21。The sun _____B__ in the east and _______ in the west。 A。 rise; set B。 rises; sets C。 rose; set D。 is rising; is setting22。It is likely that our team __B_____ the game。 A。 is about to win B。 will win C。 wins D。 has won23。When she was in Chengdu, she often ____B___ to see me。 A。 comes B。 came C。 has came D。 had came24。John’s father ___C____ mathematics in this school ever since he graduated from Harvard University。 A。 taught B。 teaches C。 has taught D。 is teaching25。Before I got to the cinema, the film ___A____。A． had begun B。 has begun C。 is begun D。 was beginning26。By next year, he ___D____ in New York for five years。 A。has worked B。 has been working C。 works D。 will have worked27。Jim ___B____ Japan in 1980 and _______ in China ever since。 A。 left…lived B。 left… has lived C。 has left… lived D。 has left…has lived28。Look ___B____! There’s a car coming。 A。 up B。 out C。 back D。 over29。We are interested in the weather because it ____B___ us so directly-what we wear, what we do, and even how we feel。 A。 benefits B。 affects C。 guides D。 effects30。You shouldn’t ____C___ your time like that, Bob; you have to finish your school work tonight。 A。 cut B。 do C。 kill D。 kick