It takes me half an hour to finish doing my homwork（同义转换）I spend _英语解答

It takes me half an hour to finish doing my homwork（同义转换）
I spend half an hour ____ ____ my homework

人气：108 ℃　时间：2019-08-17 16:07:13

解答

finishing doing
句型是It takes(took) sb time to do sth
等于sb spend time (in) doing sth