Space exploration began in the 1960s, and since then about five hundred people ______ into space.

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• 1I stayed at a hotel the last time I went to Bei Daihe. The window of my room 　　　 the se

  A.A.is faced

  B.faces

  C.facing

  D.was faced

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• 2To our relief, Xiaodan as well as the other children who ______ no parents ______ good care of in the welfare institute.

  A.have; is being taken

  B.has; are being taken

  C.has; is being taken

  D.have; are being taken

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• 3Cathy is taking notes of the grammatical rules in class at Sunshine School, where she ______ English for a year.

  A.studies

  B.studied

  C.is studying

  D.has been studying

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• 4— Alvin, are you coming with us? — I'd love to, but something unexpected ______.

  A.has come up

  B.was coming up

  C.had come up

  D.would come up

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• 5He is the only one of the students who _____ a winner of scholarship for three years.

  A.is

  B.are

  C.have been

  D.has been

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