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careful carefully careless carelessly
It; whom As; whom As; whose What; whom
work working to work works
Due to In spite of Thanks to Instead of
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works is working has worked have worked
What hard How hard How hardly What a hard
It; whom As; whom As; whose What; whom
so Lucy does so is Lucy so does Lucy so Lucy is
work has a bitter (苦的) root but sweet fruit a bad workman always blames his tools everything must have abeginning never too old to learn