Question

—How long have you ______the computer?
—For about half a year.
A bought      B found         C had     D borrowed

Answer 1

C

考查現(xiàn)在完成時(shí)中短暫動詞轉(zhuǎn)換為狀態(tài)性動詞。動詞buy不能持續(xù)很長一段時(shí)間，所以，與一段時(shí)間連用時(shí)，短暫性動詞需轉(zhuǎn)換為狀態(tài)性動詞或延續(xù)性動詞，buy轉(zhuǎn)換為keep“保持，持有，保存”，例如：join轉(zhuǎn)換為be in…或be a member of…。故選C。