—Our government is doing _______ to protect the environment.
—That’s great.

My mother often cooks _______ for us.

Lily and her sister look the same. I can't tell one from_______.

-- If someone said ________ about you, would you be angry?
--No, I wouldn’t.

—Which would you like，rice or noodles?
—________is OK.I’m hungry.

—Would you like______ to eat ?
—Yes，please.

My parents want to go _____________ on vacation, they are so tired these days.

—I'm too busy preparing the exam. Could you do _______to help me?
—Of course. I can do _______for you if you want me to.

—Who helped Mark with his English?
—_________, he taught himself.

There is          in today’s homework.