单项选择题

Once lost ().

A.it is hard to get such a chance again
B.to get such a chance will be difficult
C.one can never get such a chance again
D.such a chance might never come again

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单项选择题

Such () the case, I couldn't help but () him.

A.being; support
B.is; to support
C.has been; supporting
D.be; supported

单项选择题

You () television. Why not do something more meaningful

A.always watch
B.are always watching
C.have always watched
D.have always been watching