Remember to _________ the lights before you leave the classroom, boys and girls.— We got it, Mr. Lin.

Look! Your teacher Miss White is over there.—No，it can’t be her.She ________ to Beijing.

Have you known each other for long?—— Not very, ________we started to work in the ABC Motor Company

She was disappointed to find her suggestion _________.

On ______ way home, Mr. and Mrs. Black meet an old friend.