Now people can with their friends far away by e–mail, cellphone or letter.A. keep on B. keep in touch C. keep up
Michael didn’t do homework as _______ as Kangkang, _______.
Why not _______ our bicycles _______ Beijing?
We will arrive _______ the Palace Museum at 10:00 _______ May 1st.
—Could you give me some _______ on how to learn English _______? —Sure. Practice makes perfect.
Which of the following is NOT a traffic sign?