Question

The students often________ games after class.  They ______ volleyball over there now.

A．play, are playing	B．are playing, play
C．play, play	D．are playing, are playing

Answer 1

A

考察时态。前文根据频度副词often可知为一般现在时态，主语students为复数，故谓语动词用原形。下文根据时间状语now可知为现在进行时态，主语they为复数形式，故助动词be用are，选A。