You could tell that he had really done his homework.
你能看得出他确实做好了充分准备。
He let us off homework today.
他今天免了我们的家庭作业。
I still haven't done my geography homework.
我还没做完地理科家庭作业呢。
How long did you spend on your homework?
你做家庭作业用了多长时间？
I've got a lot of homework tonight.
我今晚有很多家庭作业要做。