I have already reviewed math for three hours .Mom ,let me pl

I have already reviewed math for three hours .Mom ,let me pl I have math for two hours对画线部分提问(划线部分是for two hours ) I have been over my homework for three hours We have worked for three hours.Let's stop ( ) and have a res I danced for three hours last 【】I slept for three hours last night. three I after gymnastics class have for hours 合成一句怎么合 I have waited for them （since three hours ago）.对括号里的内容提问 I have stayed at home （for three hours）对打括号部分提问 I have waited for you since three hours那里错啦 I-can't-for-get-you,but-you-have-already-for-gotten-me是什么意思 I have math class ____three hours 横线上加什么