题干
— I don't know whether he will come this morning. If he ____, I ____you
— Thank you very much.
A：comes; will tell
B：comes; tell
C：will come; will tell
D：will come; tell
答案(点此获取答案解析）
A
在椭圆
上，
、
分别是椭圆的两焦点，且
，则
的面积是（ ）
