1.Lily is going to see a film if she ______ free tomorrow.

题目

1.Lily is going to see a film if she ______ free tomorrow.
A has B is going to C is going to have D is
2.He's going to see his grandparents _____ he leaves for Beijing.
A before B after C until D when
请务必说明原因,

答案

1.D 原因如上
2.A 原因：逻辑分析.句意为：他在动身去北京钱,将回去看望他的祖父母,只有before符合逻辑.