【正文】
英語(yǔ)中當(dāng)情態(tài)動(dòng)詞后接 have done時(shí) , 表達(dá)對(duì)過(guò)去的事情進(jìn)行推測(cè) , 故 must have done something表示“過(guò)去一定做過(guò)了”這樣的意思。 . join the Army/the Party/the League join sb. in (doing) sth. 和某人一道做某事 . Will you join us in the piic? 你參加我們的野炊嗎? 3. I attended a concert yesterday so it might still be in the music hall. join in多指參加小規(guī)模的活動(dòng)如“游戲 , 比 賽” , 口語(yǔ)中常用。 很有用的 。 The pen could / might be Joe’s. I saw it on his desk just now. can’t 表示很有把握的否定推測(cè),意為 “ 不可能 ” 。 最后一次 last除用于句末外 , 還常置于句子中間。 句子主語(yǔ)只是去聽(tīng) , 去看 , 自己不一定 起積極作用。 . I will not tell anybody the secret. Is there anybody in the office? Anybody could do it! 根據(jù)句意 , 從括號(hào)內(nèi)選擇合適的單詞填空。 . We’ll take part in the sports meeting /club. take an active part in 積極參加 …… attend 正式用語(yǔ) vt. 指參加會(huì)議 , 婚禮 , 葬禮 , 典禮 。 如: The blue jacket belongs to him / Jerry. → The blue jacket is his /