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答案 A 。s a long time since I saw my sister. —________her this weekend? A. Why not visit B. Why not to visit C. Why not visiting D. Why don39。 —Why not?好??! (為什么不呢? ) (2)向別人提出建議也可用: had better do. ..最好做 …… Let?s do..., shall we?讓我們做 …… ,好嗎? Can39。 —Why not?為什么不行? —Let39。 —You shouldn39。如: Why not stop them from polluting the river? 為什么不阻止他們污染這條河呢? Why don39。 “Why not do...? ”相當(dāng)于 “Why don39。have sb do sth讓 /使某人做某事,故選 C。 improve與 her written English存在動賓關(guān)系。 (讓別人打 ) 【 單項(xiàng)填空 】 ① Jenny hopes that will suggest a good way to have her written English________in a short period. A. improved B. improving C. to improve D. improve 解析 句意:詹尼希望史密斯先生提出一個好方法,使她的書面英語水平可以在短時間內(nèi)得以提高。 I have some letters to 。 【 歸納拓展 】 have sb do sth讓 /叫 /使某人做某事 have sb/sth doing叫 /讓 /使某人 /某物一直處于某種狀態(tài) sb have sth to do有某事要做 (自己做 ) sb have sth to be done有某事要讓別人做 I39。 I had one of my legs injured when playing football. 踢足球時,我有一條腿受傷了。如: I39。其中 have your destination written屬于 “have sth done”結(jié)構(gòu)。s a good idea to have your destination written in Chinese. 把你的目的地用漢語寫出來是個好主意。 __________________________________________________ ②機(jī)場周