【正文】
B. is served C. serves D. served 考查語態(tài) 。 主變被四步曲 易錯點 1 被動語態(tài)變化步驟 賓變主 ,主變賓 ,前加 by 動變被 ,看清 be, 結(jié)構(gòu)分別 be+ pp by many students. Many students study English. English is studied 易錯點 2 Jim often sees us. (轉(zhuǎn)化被動語態(tài)) Us are often seen (by Jim). We are often seen (by Jim). 誤用人稱代詞 如果主動語態(tài)句