Lily ________ walks with her father after dinner .

Do you often help your brother with his English—No. He learns English by ________.

You shouldn’t accept a lift from a person ________ you don’t know him.

下列各句中，没有语病的一句是（ ）

How do you find the match between Spain and Switzerland?—It’s ！ Powerful Spain lost the game by 0∶1.