2017屆高考英語Unit 21單元精練復習教案
2.( 遼寧，26)doctors say that exercise is important for health, but it ________ be regular exercise.
a.can b.will
c.must d.may
【答案與解析】 c 考查情態動詞。題意：醫生說鍛煉對身體重要，但是必須是有規律的鍛煉。can“可能”；will“意愿”；may“許可；可能”；must“必須”。
3.( 遼寧，32)the new movie
________ to be one of the biggest money－makers of all time.
a.promises b.agrees
c.pretends d.declines
【答案與解析】 a 考查動詞。題意：這部新電影有望成為電影票房史上票房最高的影片之一。promise除了表示“允諾；答應”外，還有“有……的希望”的意思；agree“同意；贊同”；pretend“假裝”；decline“衰老；衰退”。
4.( 陜西，24)it is reported that many a new house ________ at present in the disaster area.
a.are being built b.were being built
c.was being built d.is being built
【答案與解析】 d 考查動詞時態，語態及主謂一致。由時間狀語at present可知此處動詞表示的動作正在進行，主語與所填詞是被動關系；many a ＋名詞單數作主語時，謂語動詞用單數形式，由此可知本題選d項。
5.( 湖南，23)you ________ buy a gift, but you can if you want to.
a.must b.mustn't
c.have to d.don't have to
【答案與解析】 d 考查情態動詞。don't have to“沒有必要”，符合題意。題意：你沒有必要買禮物，但如果你想買的話，你也可以買。
6.( 江蘇，25)—i haven't got the reference book yet, but i'll have a test on the subject next month.
—don't worry. you ________ have it by friday.
a.could b.shall
c.must d.may
【答案與解析】 b 考查情態動詞的用法。shall在第二人稱中表示允諾，還可以表示強制，命令，威脅，警告。還有在法律條文中的要求或規定。
7.( 四川，13) —i don't care what people think.
—well, you ________.
a.could b.would