【题目】________ apples do we need to make salad?

【题目】Where is the (实验室)?

【题目】—Are ________ your friends? —Yes, they are.

【题目】This is a photo ________ my family.

【题目】_________interesting weather it is!

【题目】Who are they? They are my parents.

【题目】Don't throw away the waste paper. It needs _________ so that it can be reused.

【题目】There are two (操场)in my school．

【题目】—We really shouldn’t use plastic bags any more when shopping.

【题目】– So kind of you to give me a ride to the station.