Perhaps the customer has ____ his monthly statement and not paid the bill.
C
【句意】也许这位顾客忽略了他的月度报表，而没付单。
【难点】overlook意为“忽略”;omit意为“遗漏;忘记”;bewilder意为“使迷惑;使糊涂;难住”;escape意为“逃过…的注意;被…忘掉”。
It is necessary that the students ____ more excercises to do.
Nowhere in nature is aluminum found free, owing to its always ____ with other elements, most commonly with oxygen.
—Haveyoufinishedthework?
—Notyet,butnomatterhowharditis,we'llkeep___untilwemakeit.
I ’d like to have a long holiday, but I’m really too busy to _____ the time.
Theradiois________astrangesignal.What’swrongwithit?