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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单项选择题
I could have called you yesterday, but I（）your telephone number.

A、 didn't have
B、 hadn't had
C、 won't have
D、 wouldn't have
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
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