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Betty often helps me __________ my English after class.

Max’s legs are too long. When he walks _______ our desk, he often knocks our books _______ the floor.

--Itwasabeautiful, cloudless sunnydayattheend       summer.

I like to visit Gaochun Museum ________ Sunday afternoon because I can learn a lot from it.

His grade in the exam put him _________ the top students in his classes.

When you go _________ the street, you must be careful.

Qiqihar is famous ____ cranes, and it is famous ____ Crane City.
A.for , as            B. to , as           C. as , for

I think the computer is ____ a very good price.
A.at             B.in           C. O

My mother often buys apples _____ me.
A.for            B.to            C.at

I only watch football games _____ TV.
A.at           B.in             C.o