I spent an hour finishing writing the letter last night(改为同义词）

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? 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 I spent haif an hour writing the letter(改为同义句）——————haif an hour __the letter I spent half an hour arriving at the top of the mountain.同义句___ ___ me half an hour ___ ___ to the top of the mountain .