单项选择 适中0.65 引用4 组卷879
________ the morning of May 15th, Zhurong rover (登陆车) landed on Mars. This means China has become the second country ________ a rover on Mars successfully.
A.In; landing | B.In; to land | C.On; landing | D.On; to land |
2021·江苏扬州·三模
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