B) 用所给词的适当形式填空:5 11. I want ________(buy)her a new book. What about you? 12. —Would you like ________(go)with me? —Yes, I’d love to. 13. On Sundays, I often do the ___(shop) with my mother. 14. The boys enjoy ________(swim)too much. 15. Do you write ________(e-mail)to your friends?