Do not let any failures discourage you, for you can never tell ________ close you may be to victory.
| A．how | B．that |
| C．which | D．where |
On Sunday Jane has nothing to do but watch TV to ________ her time.
| A．save | B．cost |
| C．spare | D．kill |
I am sure she will ________ a good manager in the future.
| A．make | B．do |
| C．get | D．turn |
Until I was twenty-three I never ________ attending night school three nights a week.
| A．doubted | B．failed |
| C．missed | D．requested |
New medicines and instruments ______ every day to extend life.
| A．develop | B．are being developed |
| C．are developing | D．have developed |
What I wanted to know was when and where the meeting ______.
| A．was holding | B．had held |
| C．was to hold | D．was to be held |