They were playing in the garden they heard a scream .A.whileB.asC.untilD.when
来源：网络
时间：
推荐文章
They were playing in the garden they heard a scream .
A.while
B.as
C.until
D.when
试题答案
D
They were playing in the garden they heard a scream .
A.while
B.as
C.until
D.when
D