— I’m sorry, Bill. I took your notebook by mistake.
— ________. They look almost the same.
You’re not right
It doesn’t matter
I hope not
I’m not sure
Haze (雾霾)appears around us. Let’s do ________ helpful to protect the environment.
Nancy quickly ________ the door and put down her school things.
So many kinds of sweets! I really can’t decide _______.
Soon you _______ a senior high school student(高中生). Isn’t it exciting?
Please tell him to call me as soon as he _______ home.