单项选择题

He ______ working till he was seventy years old.

A. kept up
B. kept on
C. kept to
D. kept out
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______speaking, I think writing is rather boring.
A. Honest
B. Honestly
C. Very
D. Really
单项选择题
Do you know who ______ fire to that Department Store
A. made
B. set
C. started
D. caught
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