当你想说在远处有一只猫,你可以说:A.This is a cat. B. That is a cat.
The woman is fifty, but she looks________.
My friends are very________to me.
Remember not to speak________when we are in the reading room.
—________ we ask you some questions? —Sure, go ahead!
—________ I finish the work today? — No, you ________.