Some aspects(方面) of a teacher’s job ______ be tiring, and teachers often ______ work at inconvenient hours.
A.can; mustB.may; canC.can; have toD.have to; must
C

試題分析:考查情態(tài)動詞:第一空填can,表示:有客觀的可能性,第二空填have to不得不.句意:老師工作的一些方面有可能令人疲倦,并且老師經(jīng)常在不方便的時候工作。選C。
點(diǎn)評:情態(tài)動詞的區(qū)分比較細(xì)致,除了辨別情態(tài)動詞本身的含義,還有考慮說話人的語氣,句子的類型等。
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