1.Nobody _____(怀疑) that the Shenzhou Ⅸ helps us know more about space2.Chirstmas is coming ,let's buy some decorations to _____(装饰) the Christmas tree.

1.Nobody _____(怀疑) that the Shenzhou Ⅸ helps us know more about space
2.Chirstmas is coming ,let's buy some decorations to _____(装饰) the Christmas tree.

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