If a computer crashes,you will lose the file you _____ on unless you save it regularly.
| A．are working | B．work |
| C．will work | D．worked |
相关试题
Only when the govern
ment increases affordable homes for low-income groups .
| A．the imbalance of demand and supply can be removed |
| B．can be removed the imbalance of demand and supply |
| C．can be the imbalance of demand and supply removed |
| D．can the imbalance of demand and supply be removed |
In front of me_______, where many athletes from all over the world will compete for Olympic gold medals.
| A．stands the Water Cube | B．stand the Water Cube |
| C．the Water Cube stands | D．does the Water Cube stand |
No sooner ______ home ______ I told him the exciting news.
A．had he got; when |
B．had he got; than |
| C．he had got; when | D．he had got; than |
It was the boy said he almost never did any exercise in the school the mother began to worry about his health.
| A．what; that | B．that; how | C．when; that | D．that; that |
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