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.
一Didn't you see the red light?
一Sorry,sir.I (check) the map and didn't notice it.
The world (not face) such a big challenge since World War II.
Come on!Go ahead,or you (regret) it for the rest of your life.
Look!The children ( circle) a robot,talking about science development.
—Mum,where is David?
—He ______ to see the science fiction film Back to the future.
A.is goingB.goesC.has goneD.was going
The documentary A Plastic Ocean is so impressive that I ___________it several times so far.
A.watchedB.watch
C.have watchedD.will watch
—Miss Zhang seems quite familiar with Yunnan Province.
—Don't you know?She ________ a town school there as a volunteer teacher for over 2 years.( )
A.is inB.has gone to
C.has been inD.has been to
I saw Julia in April and I ______ her since then.( )
A.don't seeB.didn't see
C.won't seeD.haven't seen
David Attenborough 40 documentaries over the past 67 years.A Life on Our Planet is his latest work.( )
A.makesB.madeC.has madeD.is making
﹣ I went to your house after work yesterday but you were not in.
﹣ Oh,I (walk) my dog outside.
Chinese Women's Football Team (play) in the coming Tokyo Olympics.
China (win) lots of high praise since we turned the sand into forests.
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