根据句意及汉语提示完成句子。
【小题1】Our schoolbags are _______(重的). ____________
【小题2】I like the green _______(毛衣). ____________
【小题3】There are _______(五十) students in the room. ____________
【小题4】_______(欢迎) to our school. ____________
【小题5】There are five _______(电脑) in the room. ____________