82＋15 =____

43＋33=____

一对夫妇已经生了一个女孩，再生一个孩子，是男孩的可能性是（    ）

补全对话。

A: ____(What/Where) are you going to do tomorrow?

B: I'm going to have ____(a/an) English lesson.

A: What are you going to do in your lesson?

B: We're going to draw some pictures in Renmin Park.

A: That ____(sound/sounds) great! I'm going to ____(see/ read)a film tomorrow.

B: Have a good time!

A: You too. I have ____(do/to do)my homework now. Bye.

B: OK. Bye.

若点P（x，y）的坐标满足xy＝0（x≠y），则点P必在（    ）