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1、專題07 情態(tài)動詞與虛擬語氣一、單選題：1. Mary _ be in the classroom because I saw her in the library just now.A. mustnt B. isnt able to C. may not D. cant【答案】D【解析】考查情態(tài)動詞can表推測的否定句。根據(jù)句意Mary不可能在教室，因為我剛剛看見她在圖書館。Cant表示不可能。2. If you _ smoke, go to that smoking room, please!A. can B. could C. should D. must【答案】D【解析】考查情態(tài)動詞m

2、ust的特殊意義。此處表示“非得、偏偏”，表示說話人厭惡等情緒；常用于疑問句和條件句。3. In the rush hour, streets _ very crowded.A. should B. must C. can D. would【答案】C【解析】考查情態(tài)動詞can用于肯定句中表示理論上存在的可能性。4. I dont want anyone else to know it, so you _ tell anyone.A. wont B. mustnt C. dont have to D. dont need to【答案】B【解析】考查情態(tài)動詞must的否定句。mustnt表示禁止、

3、不準。5. If it _rain tomorrow, I will stay at home instead.A. shall B. should C. would D. could【答案】B【解析】考查情態(tài)動詞should。此處表示將來的極小的可能性，翻譯為：萬一。6. I _ my work so sooner without the help of my friends.A. cant finish B. couldnt have finishedC. mustnt have finished D. may not have finished【答案】A【解析】考查情態(tài)動詞+ have

4、done結(jié)構(gòu)。此處couldnt have done表示（過去）不可能（已經(jīng)）。7. Tom _ go to the concert by himself but Im not sure.A. may B. shall C. should D. must【答案】A【解析】考查情態(tài)動詞may表示推測。根據(jù)“Im ont sure”可知，此事沒有確定，只是有可能，故用may。8. When I dont want to do other sports, I _ walk for an hour after supper.A. must B. have to C. can D. will【答案】D【

5、解析】考查情態(tài)動詞will表習慣性動作。9. -Ive gained weight these days.-You _ have eaten so much junk food.A. shouldnt B. couldnt C. wouldnt D. mustnt【答案】A【解析】考查should表虛擬。Shouldnt have done：本不應(yīng)該做（而做了）10. -Will you tell her the bad news?-Yes, but Id rather I_.A. not B. not have C. didnt D. hadnt【答案】C【答案】考查would rather后所接的虛擬語氣。對現(xiàn)在或?qū)淼奶摂M用一般過去時態(tài)。