. It’s high time that he ______ the business ______ to his son.
| A．handed; over | B．would hand; over |
| C．handed; out | D．would hand; out |
Try to spend your time just on the things you find _________.
| A．worth doing them | B．worth being done |
| C．them worth doing | D．worth doing |
On snowy days, you have to drive very to avoid traffic accidents.
| A．cautiously | B．neatly | C．smoothly | D．properly |
—You may find the key to the maths problem on page 107.
—Ah, it’s so simple. I wonder why I ＿of that.
| A．hadn’t thought | B．haven’t thought |
| C．didn’t think | D．wasn’t thinking |
The long and tiring talk, filled with arguments and quarrels, ended in disorder, _________ no agreement at all.
| A．reaching | B．reached | C．to reach | D．being reached |
Many people in the city wonder _____the city officials have the information they need to solve the problem.
| A．that | B．whether | C．what | D．which |