Please give me a wake up call at 7:30 am tomorrow.
请在明早七点半叫醒我。
I should have studied last night, but I was too tired.
我昨晚应该学习,但是我太累了。
OK. We can get some more tomorrow. We should finish the floor now. Can you take the other end of this piece of wood? Now you have to pull it to make the surface smooth like that.