The weight of the moon is only about _____ of that of the earth.
| A．one eighty | B．one of eighty | C．one the eightieth | D．one eightieth |
Don’t worry too much about making ___ mistakes. They are ___ natural part of learning.
| A．/: a | B．the;/ | C．/; the | D．the; the |
The volcano erupted violently , yet the village at the foot of it should _________.
| A．come through | B．go through | C．get through | D．pass through |
Although the used car seems in good ____________,it cannot run too fast.
| A．state | B．situation | C．condition | D．occasion |
Try to spend your time just on the things you find_________.
| A．worthing doing them | B．worth being done |
| C．worthy to being done | D．worthy of being done |
The police were seeking more information to find out ______ the rich merchant.
| A．who was it that killed | B．who it was that killed |
| C．it was who killed | D．who was it killed |