—I haven't got a partner ______.—Maybe you can ask John for help.
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?
.—What will you do if it _______ tomorrow? —I will stay at home and watch the match on TV.