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

考察時態。前文根據頻度副詞often可知為一般現在時態，主語students為復數，故謂語動詞用原形。下文根據時間狀語now可知為現在進行時態，主語they為復數形式，故助動詞be用are，選A。