. -May we leave the classroom now? -No, you ______. You ______ to leave until the bell rings.
—We’ll go for a picnic if it this Sunday.—Wish you a lovely weekend.
—Miss Li, could you give me on English learning? —Certainly. First you should speak English every day.
—Is that girl Susan?—It be her. She left for Beijing yesterday.
In the piano contest, my brother didn’t play well and I did __________.
Mike is a good boy. He often _________ to help his classmates.