Bill Grates is one of ______ people in the world.
| A．the richer | B．richest |
| C．richer | D．the richest |
—Which is the biggest number of the four?
—．
| A．One-third | B．Two-thirds | C．A half | D．A quarter |
What did Mr．Smith do before he came to China?
—He in a car factory．
| A．worked | B．works | C．is working | D．will work |
—Hello! May I speak to Lucy，please?
—Sorry，I’m afraid you have the wrong ．
| A．way | B．name | C．number | D．telephone |
—Mike，is this Tom’s pencil?
—Oh，yes，it is ！
| A．mine | B．hers | C．yours | D．his |
He did the work all by himself.
A. already B. together C. alone