Question

【题目】Many a student __________ wearing MP3 players while walking on the street． It's quite dangerous． （ ）
A.is used to
B.are used to
C.was used to
D.were used to

Answer 1

【答案】A
【解析】“many a＋单数名词”作主语时，谓语动词用单数形式，故排除B、D两项；这里说的是目前的一种状况，故用一般现在时；be used to doing sth． “习惯于做某事”。