单项选择 困难0.15 引用13 组卷2767
This medicine _______ millions of people’s lives since it was put into use.
| A．is saving | B．will save | C．has saved | D．had saved |
16-17八年级下·全国·课后作业
类题推荐
–Why are you still here? It’ s already seven o’ clock.
--Because I ______ my work. Don’ t worry. It's almost done.
--Because I ______ my work. Don’ t worry. It's almost done.
| A．wasn’ t finishing |
| B．wouldn ’ t finish |
| C．haven ’ t finished |
How time flies! Three years _________ since I _________ you last time.
| A．have passed; have met | B．has passed; met |
| C．passed; have met | D．have passed; met |
Now the river is so clear. It’s said that the government _______ measures to protect it.
| A．will take | B．takes | C．has taken | D．took |
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