一、单项选择。（每小题1分，共10分）
（ ）16. I study English _______ reading English magazines.
A. at B. on C. in D. by
（ ）17.Anna wears uniforms every day , She_______to choose her owen clothes.
A． isn’t allowed B．allowed C.is allowed D．is allowing
( )18. This pair of shoes ________ Deng Hua’s . They’re too big for her.
A. might be B. can’t be C. must be D. are
