When he heard a cry for help, he ran out as _________ as he could.
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.