1 . Scientists are doing lots of experiments on COVID-19, and we are ________ ________ ________ (期待)the new effective medicine. (根据汉语提示完成句子)
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12-13高一上·四川成都·期中
2 . Please don’t make so much noise.I a novel.
A.writes | B.am writing | C.wrote | D.was writing |
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