--- Can I see the headmaster at the moment, please? --- I'm afraid not. He _______out. He _______ in 10 minutes.
— _____ do you _____ English? —I like it very much.
—How many _____ are there in your class? —About 63.
The sign means “ _____.”
—Kangkang, how many apples are there _____ the tree? —Too many.
Look! The students _____ the classroom.