Look! This is ____ eraser. And _____eraser is my sister’s.
It's hot summer. A. in B.at C.on
What do you want________? A.to doB. do C. doing
-What's the time? -It's half ________two. A. passB. for C. past
You call your mother’s or father’s sister _____.
— Are those the ______ books? — No, they are ______ books.