VI.单项选择（共20小题；每题1分，满分20分）
31.The teacher said memorizing some beautiful English essays helped ___.
A.a lot B.lots of C. little D.a few
32.It's nice of you to _____ so much time showing me around your school.
A.take B.spend C.cost D.have
33.---Have you ever been to Shanghai ,Mary?
---Yes, I _____ there for three days with my parents last month.
A.have gone B.have been C.went D.was
34.—Don’t worry, Mr Smith will come and help you. --- _____ he doesn’t come?
A.Why B.What C.How about D.What if
