After reading english for two hours he (求解释

After reading english for two hours he (求解释 He has been practicing ___ English for two hours. She reads English----two hours every day.填in at for after那一个 He will be back after two hours Two hours _____enough for us ,he said "Two hours ___enough for us,"he said. He spent two hours reading the book(改为同义句) She swims for two hours after school(同义句） She two hours afte after class i have （）for two hours. after I read for two hours ,I felt _______(boring) They are very after walking for two hours.怎么填? After class I have g____ for two hours