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broke the window of the classroom?誰打壞了教室的窗戶? - I and 。 ( )④ Mr Green told_______ to clean the classroom. A. you, Jim and I B. I, you and Jim C. you, Jim and me D. Jim, you and me 探究點二: have/ has been in 與 have/ has been to 有何區(qū)別? [指點迷津 ] (1) have/has been in 后面跟地點名詞,意為“在某地已經(jīng)多長時間了”,通常和表示一段時間的短語或從句連用。后接地點為副詞 here, there, home 時省略介詞 in。 I came here two weeks 。 That means you have been here for two 。 (2) have been to 后面跟名詞地點,表示“已經(jīng)去過了某處(但現(xiàn)在已不在某處)”。當主語是第三人稱單數(shù)時用 has been to,后接地點副詞時要省略 to。 I have been to Shanghai 。 ( )② Mr Li regards Ningxia as his second home because he_______ there for over twenty years. A. have been B. is C. has been D. was ( )③ Have you ever_______ Nanjing? Yes, only once. A. been to B. gone to C. been D. gone 2. It moved at high speed and was really exciting! 它以高速行駛,真的令人興奮! 探究點一: speed 的意思是“ _______”。 [指點迷津 ] speed 。常用短語為 at a speed of?,意為“以??的速度”。 The train is travelling at a speed of 180 kilometres an hour. 火車正以每小時 180 公里的速度行駛著。 ① The_______(速度) of the car was so frightening. 搡究點二: at high speed 的意思是“ _______”。 [指點迷津 ] at high speed意為“以很快的速度,高速”,通常在句中作狀語,也可以作表語;其反義短語是 at low speed。 The train flashed by at high 。 The population of China is growing at low 。 ( )② In the past twenty years, China has developed_______ high speed. A. in B. on C. at D. to 3. We were screaming and laughing through the ride. 整個途中我們都在尖叫和大笑。 探究點一: through, past 和 across 有何區(qū)別? [指點迷津 ] through 指從物體內(nèi)部穿過;