He spent an hour the roomA to finish cleaning B to finish to clean C finishing cleaning D finished cleaningspend 时间 in doing sth 我懂 那么就是C了 但是 如果A选项的目的状语 他花费1小时去完成打扫房间可不可以呢

He spent about an hour ( ) the composition. He spent half an hour in drawing the picture yesterday=() He spent half an hour on the newspaper yesterday (改为同义句)He ____ half an hour ____ the newspaper yesterday He spent an hour reaging Chinese yesterday.改同义句 he spent half an hour swim.=It( )( )half an hour( )( ). I spent an hour _____(finish)the work yesterday he spent an hour doing his homework las night 改成 lt____him an hour ___ ____his homeworklast night He spent an hour reading Chinese yesterday.(保持句意不变)It ____ ____ an hour to____ Chinese yesterday. 英语I spent half an hour getting to the shop.改为同义句：( )( )( )half an hour( )( )to the shop. I spent an hour ___________ my homeworkquick! I spent half an hour arriving at the top of the mountain.同义句 Mary spent half ____ hour doing ____ work.A.a;an B.an;a C.a;the D.an;the I spent half an hour getting to the shop改为同义句 I spent an hour finishing writing the letter last night(改为同义词） I spent half an hour geting to the shop.的同义句 I spent half an hour writing the letter 改为同义句 His little brother spent half an hour c____ the mistakes in his homework last night. I spent half an hour finishing ___ work.这里要填the吗?为什么?