I spent half an hour arriving at the top of the mountain.同义句

I spent half an hour arriving at the top of the mountain.同义句 We spent an hour in reaching the top of the mountain.这句话对吗?对 I spent half an hour getting to the shop改为同义句 英语I spent half an hour getting to the shop.改为同义句：( )( )( )ha I spent half an hour writing the letter 改为同义句 I spent half an hour geting to the shop.的同义句 we spent two hours getting to the top of the mountain改为同义句 I heard the rain half an hour.(同义句） He spent half an hour on the newspaper yesterday (改为同义句) At the moment of conception,you spent about half an hour as We spent the【】in a hotel at the top of the mountain After half an hour,the next bus came.(同义句转换) Half an hour （