Question

【题目】I saw Sam and David in the playground yesterday afternoon. They ______ games with their classmates then.
A.play
B.will play
C.are playing
D.were playing

Answer 1

【答案】D
【解析】句意：昨天下午我看到萨姆和大卫在操场上。那个时候他们正在和他们的同班同学玩游戏。A. play一般现在时；B. will play一般将来时；C. are playing 现在进行时；D. were playing过去进行时。结合语境，可知用过去进行时，故选D。