B1情态动词和虚拟语气热点1·7①(2012·天津卷)It'squitewarmhere;we________turntheheatingonyet
A.couldn'tB.mustn'tC.needn'tD.wouldn't答案C[句意:这里很暖和;我们还不需要开暖气
考查情态动词用法
根据warm及句意可知C项正确
couldn't不能;mustn't禁止;wouldn't将不
]②(2012·上海卷)Thenewlawstatesthatpeople________driveafterdrinkingalcohol
A.wouldn'tB.needn'tC.won'tD.mustn't答案D[句意:新颁布的法律禁止人们酒后驾车
考查情态动词的用法
由题干中的law可知答案为D项
]③(2011·全国Ⅱ卷)Ifyou________smoke,pleasegooutside
A.canB.shouldC.mustD.may答案C[句意:如果你非要抽烟,请到外面去
本题考查情态动词
must用于条件句,表示“非要,偏要”
其他三项均不符合语境
]④(2011·上海卷)I________worryaboutmyweekend—Ialwayshavemyplansreadybeforeitcomes
A.can'tB.mustn'tC.daren'tD.needn't答案D[句意:我不必担心我的周末——我总是在周末来临之前就计划好了
考查情态动词
根据下文可知D项“没有必要”符合语境
A:不能,不可能;B:禁止;C:不敢
]⑤(2011·福建卷)—ShallIinformhimofthechangeoftheschedulerightnow
—Iamafraidyou________,incasehecomeslateforthemeeting
A.willB.mustC.m