Do you know the song Come on, Haixi!—Yes, and I _________singit well.

incipal walked onto the platform and seatedhimself in a chair, ____ for answering questions.

Mr. Wang _____ gets up early. So he is ______ late for work.

you have told him the answer had itbeen possible—I would have, but I ______so busy then

下列各句中，表达得体的一句是