When the big bills for mother's hospital care came, father was glad he had money in the bank to _____.
| A．fall short of | B．fall through | C．fall back on | D．fall in with |
. We all hope that the flame will not _____ in such cold weather.
| A．die out | B．die off | C．die down | D．die away. |
You are not in good health, I think. You could improve your _____ by running every day.
| A．position | B．condition | C．situation | D．energy. |
You can do whatever you like _______ you follow the school rules..
| A．on condition | B．on condition that | C．on this condition | D．on condition if |
It is no good trying that method, because it won’t _______.
| A．work | B．practical | C．affect | D．optimistic |
They made_____a rule to meet and have a meeting on Sunday evenings .
| A．it | B．that | C．this | D．which |