“I still haven’t thanked Aunt Lucy for her present.” “It’s time you _____.”
| A．do | B．did |
| C．had | D．would |
He wrote this article ____this great communist fighter, Dr. Bethune.
| A．in honor for | B．in return for | C．to honor of | D．in memory of |
As a result of the heavy fog, the highway has been closed up until further _______ .
| A．news | B．information | C．notice | D．message |
It was pouring . All the machines stood _____ in the open air.
A. uncover B. to be uncovered C. uncovered D uncovering
They were surprised that a child worked out the problem _____ they themselves couldn’t.
| A．once | B．then | C．if | D．while |
In the evenings he ______ in his books .
| A．reads him | B．reads himself | C．buries him | D．buries himself |