【正文】 在網(wǎng)上續(xù)借更容易。39．B解析：B【詳解】句意：——今天我必須去上學，是嗎？——不，你不必。根據(jù)“She’s having the board meeting.”，可以判斷出不可能是王小姐在唱歌，故選A。36．A解析：A【詳解】句意：——誰在隔壁唱歌？是王小姐嗎？——不可能是她。may可能；can能夠；should應該；might可能；has to不得不；must必須。33．A解析：A【詳解】句意：你不準酒后開車。may也許；would將會；should應該；might可能。根據(jù)“I’ll call if there’s any problem”可知，是說話人按照事實有一定依據(jù)的推測，用should符合語境?？疾榍閼B(tài)動詞。第二個空是固定搭配：be bad for“對……有害”，故選C。但有時會很冷。needn’t不必；shouldn’t不應該；can’t不可能；mustn’t禁止。22．D解析：D【詳解】句意：——聽！湯姆一定是一邊做作業(yè)一邊聽音樂。must 必須，一定；should 應該，shall的過去式；may 可能；shall 應該。useddriving開車，動名詞/現(xiàn)在分詞形式；to drive動詞不定式；drive動詞原形?？疾榍閼B(tài)動詞。本題考查情態(tài)動詞的用法，由When I was young 可知，when引導的從句為一般過去時，因此主句應為過去的某種時態(tài)；再結合句意及選項，可知C選項符合題意，would+動詞原形是過去將來時；故答案選C。此外，它們還表示各自獨特的意思：may / might 表示有應承，即“可以”；can / could 表示有能力，即“能夠”；should 表示有義務，即“應該”；would 表示有愿望，即“愿意”；must 表示有必要，即“必須”。綜合分析前后句， 可知此處填may最合適，完整句意為：We’ve discussed every detail of this plan and have got everything ，一切都準備好了?？芍裢砦铱赡軙硪稽c回來。它是一座巨大的建筑。根據(jù)“She always es back home at this time.”可知，此處表示非?？隙ǖ耐茰y，故選C?？疾榍閼B(tài)動詞辨析。分析“…you will fail the exam”可知，如果不努力就會不及格，or“否則”符合語境，故選D?？疾榍閼B(tài)動詞辨析。must必須；should應該；may可能；need需要?，旣惤杞o了我們一些錢。t禁止；shouldn39。 holding D．to gather。 for D．No, we needn’t。 dare climbingC．dare saying。t D．can39。t2．To my joy, we_________ go to the bank. Mary has lent us some money.A．shouldn’t B．needn’t C．couldn’t D．wouldn’t3．We shouldn’t throw any objects from the building. Even a small object ________ cause serious injuries or death, when dropped from a great height.A．must B．should C．may D．need4．Our Chemistry teacher always tells us we ________ be too hardworking before the exams.A．mustn’t B．shouldn’t C．needn’t D．can’t5．Exercise is helpful but it ________ be regular (規(guī)律的) exercise.A．must B．may C．can D．need6．You39。 dares climbD．dare to say。 for27．Look at the floor, Tom! ________ you watch TV while having a meal?A．Should B．Could C．Must D．May28．— Excuse me. I haven’t finished reading the book yet. May I keep it a bit longer?— Sorry, you ________. You must return it on time.A．needn’t B．can’t C．won’t D．shouldn’t29．—Will my car be ready by the end of the day?—It ________ be, sir. I’ll call if there’s any problem.A．must B．could C．shall D．should30．For the safety of the passengers, objects like guns ________ be carried on board.A．may not B．needn’t C．might not D．mustn’t31．According to the rule, used batteries ________ be dropped in the red bin for harmful wastes.A．may B．would C．should D．might32．—Who’s the man over there? Is that Mr. Black? —It ________ be him. Mr. Black is much taller than that man.A．may B．must C．can’t D．mustn’t33．You ________ drive after drinking alcohol(酒). It’s against the law.A．mustn’t B．needn’t C．couldn’t D．wouldn’t34．We te