While we were running on the playground, Jack suddenly stopped____ and lay on the ground,so we all stopped_____ what was wrong with him.
—I like the new teacher. — Me, too. Yesterday she gave me _______ on studying Chinese.
I’m going to start a club to help students ________ are not interested in schoolwork.
— Do you know _________ now? — In the People’s Hotel.
Let’s do it ______. There is only five minutes left.
— Look at that animal. It’s interesting. — Which one do you mean? ____ black one with a long tail?