单项选择题
The farmer kept the cow（）so that it would not go away.
A．tied up
B．tying up
C．tie up
D．to tie up
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相关考题
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单项选择题
Last night, Mark said that he（）the book by the end of next week.
A．will finish read
B．would have finished reading
C．had finished reading
D．is going to finish reading -
单项选择题
This dictionary will prove（）to you in your English study.
A．being of some use
B．be of some use
C．to be of some use
D．of some use
