Zhurong,China's Mars explorer, (land) safely on the red planet in May 2021,making China the third nation to do so in human history.
Look!The children ( circle) a robot,talking about science development.
﹣﹣﹣The dragon Boat Festival is coming,what are you going to do that day?
﹣﹣﹣I (visit) my grandparents in my home village.
Lucy is hard﹣working and she hardly ever (hang) out on school nights.
一Didn't you see the red light?
一Sorry,sir.I (check) the map and didn't notice it.
Chairman Mao once (say) that women could hold up half the sky.
The world (not face) such a big challenge since World War II.
If I'm available tomorrow afternoon,I (visit)the city museum with my brother.
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