读对话，回答问题。

Chen Jie: Are you helpful at home, John?

John: Sure.

Chen Jie: What can you do?

John: I can make the bed, sweep the floor, and empty the trash.

Chen Jie: Can you cook the meals?

John: Sorry. I can't. What can you do?

Chen Jie: I can cook the meal, wash the clothes, do the dishes and put away the clothes.

John: Great! You're helpful.

1. What can John do?

__________________________________________________________

2. What can't John do?

__________________________________________________________

3. Is Chen Jie helpful at home?

__________________________________________________________

4. What can Chen Jie do?

__________________________________________________________

5. Who can make the bed?

__________________________________________________________

有以下类定义
class Point
public:
Pointint x = 0, int y=0) _x = x; _y = y;
void Move int xoff, int yoff)
_x +=xoff;_y+=yoff;
void Print() const
cout＜＜’(’＜＜_x＜＜’,’＜＜_y＜＜’)’ ＜＜ end1;
private:
int_x,_y;
;
下列语句中会发生编译错误的是

A．Point pt;pt.Print();

B．const Point pt;pt.Print();

C．Point pt;pt.Move(1, 2);

D．const Point pt;pt.Move(1, 2)