为你解答。Mike spends about three hours to play computer games every day.解释:spend time doing,花时间做。把to play改为playing。If robots do all the houseworks for us, we'll have more free time to relax.解释:houseworks把s去掉,它是不可数名词。My teacher told me cleaned the classroom after class.解释:tell sb to do,告诉某人去做。把cleaned改为to clean。There will have an English Evening next Sunday.解释:there be,有。把have改为be。You need not to go with me unless you are free now.解释:neen't do,不必做。把to去掉。