单项选择题

Shirley ______ a book about China last year, but I don't know whether she has finished it.

A．has written
B．wrote
C．had written
D．was writing
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单项选择题
I’ve won a holiday for two to Florida. I______ my Mum,
A．am taking
B．have taken
C．take
D．will have taken
单项选择题
______ blood if you can and many lives will be saved.
A．Giving
B．Give
C．Given
D．To give
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