– You must have your work done within 2 days.
-- Finishing a task in such short time is a (an) __________.
| A．conclusion | B．challenge | C．explanation | D．approach |
Of all the plays __________ recently, none is more impressive than Tea House by Lao She.
| A．to perform | B．performed |
| C．have performed | D．performing |
—Is there a place __________?
—I'm afraid there're no other places free at the moment.
| A．vacant | B．bare |
| C．empty | D．hollow |
Misunderstandings __________ from lack of social communication, unless __________ properly, may lead to serious problems.
| A．arisen; handling | B．arising; handled |
| C．rising; handled | D．risen; handling |
All the branch companies are __________ the members of the family.
| A．under control | B．in control of |
| C．in the control of | D．by the control of |
Even though they were much younger, we treated them __________ equals.
| A．with | B．to | C．as | D．for |