英语训练试题

V.单项选择 26. Mary wants to be great artist when she grows up。 A. a B. an C. the D./ 27.I can’t see the paper clearly，so I need my glasses. But where did I put ？ A. it B. its C. they D. them 28.It’s impolite to laugh the disabled. A. in B. at C. with D. on 29.l really enjoy his new book， there is one part l don’t quite understand. A. because B. unless C. although D. after 30.Usually，we don’t know how impo