——You see how thin Ann is!——She ______ gain some weight but she______ too little.

The traffic in our city is already good and it ______ even better.

How to control housing price is said to       a great challenge facing the government over the past few years.

. –Hi, Bob, don’t you know me? --Oh, it’s you. I _____you.

—Do you know if the foottball game has started yet?—Started? It must be certain who ________ by now.