【题目】I found a boy________ on the floor when I came in.

【题目】Of all pictures，this is ________ most beautiful one.

【题目】We should plant many trees. trees , air pollution.

【题目】After the terrible earthquake, hundreds of people were (home).

【题目】Don’t worry. I think you can ________ out the best ________ you.

【题目】Studying ways usually play a role ________ getting good grades.

【题目】He has much (interesting) in collecting stamps.

【题目】—Who is ________ in your class，Lisa，John or Jack?

【题目】—Why _______ go to the zoo?

【题目】Could you help me_______ who takes my new umbrella away?