—May I speak to Wang Hong?
—Sorry, she is not at home. She ________ to Beijing.
has been
has to go
has gone
It’s true that the bad news had a bad ______ on my grandmother.
— 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.