I spent have an hour__ my homeworkA finishing doing B to finish doingC finishing to doD finishing to doing

I spent an hour ___________ my homeworkquick! I spent half an hour ___(finish) my homework. I spent an hour _____(finish)the work yesterday I spent half an hour in doing my homework I spent half an hour swimming 这句话对吗? 1.I have a backache.I have an ________ in my back.2.I spent an hour and a harf in doing my homework last night.It _____ me an hour and a harf _______ do my homework -It was a green dinner_,-Thanks.But it really only took an hour.A I enjoyed it very much.B You must have spent all day cooking. I spent half an hour on my homework yesterday.（保持原意l ( )half an hour ( )my homework skirt. 英语I spent half an hour getting to the shop.改为同义句：( )( )( )half an hour( )( )to the shop. He spent about an hour ( ) the composition. 英语翻译this morning i spent an hour —— ——a magazine I spent half an hour getting to the shop改为同义句 I spent half an hour on my homework yesterday.（保持原意） 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 I spent half an hour finishing ___ work.这里要填the吗?为什么? I spent half an hour arriving at the top of the mountain.同义句