Today is the last day of the May Day Holiday.We will have class(加s) tomorrow.The weather is so hot that i can hardly sleep(改为fall asleep).What should i do.)It is very late,but i still have many things to do.There are many questions about the C language (加上which)have not been sloved.I am feeling very depressed.sitting(改为Having sat) in front of a camputer(computer) all the(day) long.I think i should have a rest.