问题补充：
---Will you go boating tomorrow? ---I’m not sure. It the weather.
A. depends on
B. gets back
C. begins with
D. comes over
答案：
(答案→)A. depends on
B. gets back
C. begins with
D. comes over
解析：考查交际用语。根据答语内容--I’m not sure.，可知用It depends on the weather，表示取决于天气。句意：——明天你乘船么？——我不确定，还取决于天气。
