爸爸指着树上的鸟巢对我说:______A.Look,it's a bird. B.Look,it's a nest.
All the windows are ________. They are not ________.
How________tea is there in the cup?
There are two students ________in the classroom .
How long does it _______ you to go to work by car.
May I have _______ice cream ? Sure!