dfs
He spent two hours walking home. 过去进行时
He took two hours to walk home.
He took two hours to walk home.
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第1个回答 2007-10-01
He spent two hours to walk home.
第2个回答 2007-10-01
He spent two hours (in) walking home.
SB SPEND SOMETIME (IN)DOING STH =IT TAKES SB SOMETIME TO DO ETH
SB SPEND SOMETIME (IN)DOING STH =IT TAKES SB SOMETIME TO DO ETH
