The archaeologists all find_____ to prepare for the worst conditions they might meet during the restoration.
| A．worthy | B．it worthwhile | C．it worth | D．worthy it |
The parents have the ____ to teach their children to follow all school rules.
| A．ability |
| B．responsibility |
| C．chance |
| D．possibility |
We're going to be meeting there on a regular ____.
| A．basis |
| B．fact |
| C．bottom |
| D．reason |
The elephant and the monkey went to the river, but the water was ____ and the monkey was afraid.
| A．swift |
| B．clear |
| C．fine |
| D．hard |
______ regular exercise is very important,it's never a good idea to exercise tooclose to bedtime.(2011 .天津)
| A．It |
| B．As |
| C．Although |
| D．Unless |
Whatever is left over may be put intothe refrigerator,______ it will keep for two or three weeks.(2011 .安徽)
| A．when |
| B．which |
| C．where |
| D．while |