—Oh, my God！Our teacher is so mean!—Calm down, my friend.Even though she is tough  sometimes, she ________ be nice if you really work hard.

Two weeks ago, I bought a bicycle. If you live in town, it is often faster than a car and you           worry about parking. 

 Don't use water to put out the fire if oil catches fire. As is known, oil ________ float on water.

—Why is online shopping getting more popular? —I think it _________ save a lot of time.

Anyone whose performance is best received by the public____ be given an opportunity to show their talents at the Great Hall of the People in Beijing.