43. How are you getting ____ with each other?
| A．on | B．back | C．in | D．Through |
—You didn’t invite Mary to the ball?
—___ her, too?
| A．Must I invite | B．Would I have invited |
| C．Must I have invited | D．Should I have invited |
We need to get to the root of the problem______ we can solve it.
| A．while | B．after | C．before | D．as |
Schools should be lively places where individuals are encouraged to ______ to their greatest potential.
| A．cultivate | B．accelerate |
| C．expand | D．develop |
Hard work and lack of sleep have _____ her beauty and youth in recent years.
| A．worn out | B．tried out |
| C．made out | D．sent out |
We shall not start the project until it __________ by the committee.
| A．will be approved | B．approves |
| C．has been approved | D．is to approve |