tom,what's your mother doing?------------oh she is busy______in the kitchena.cooking finner b.to cook dinner c.cook dinner d.cooking the dinner
问题描述：
tom,what's your mother doing?------------oh she is busy______in the kitchen
a.cooking finner b.to cook dinner c.cook dinner d.cooking the dinner
答
b.to cook dinner
答
a
答
a
be busy doing sth
cook dinner固定搭配 不加the
答
A
答
cooking dinner
be busy doing sth 早中晚饭前不加the
答
A
be busy doing sth
cook dinner做晚饭，不需要the