—Excuse me, could you tell me __________?—In ten minutes.
— How clever you are! How can I know as much as you? — ______ you read, _______ you can learn.
Young people think it _____ great fun to surf_____ Internet.
The teacher asked the students.
Alow-carbon(低碳)lifestyle has an effectour daily life.More and more attention has been paid toEnergies these days.
The teachers _________ the office for a few minutes when we arrived.