He keeps himself._____of the current events by reading three newspapers a day.
| A．informing | B．to inform |
| C．informed | D．to be informed |
______ is said, the Yeti is a large, hairy animal that walks on two feet like a human being.
| A．It | B．That | C．As | D．What |
It is thought that Zheng He, a Chinese in the Ming Dynasty, may have been the first person who _____________America from the East.
A set out toB. set about to
C. set sail to D. set sail for
I don’t care ____ or not you like the plan.
| A．if | B．whether | C．that | D．how |
The old couple looked at the plane with their son on it until it was ______.
| A．at the first sight | B．out of sight |
| C．in sight | D．at the sight of |
“Come with me. You will be all right.” He took Polly’s hand, “________ the step here.”
| A．look out | B．watch out for |
| C．look at | D．watch over |