单词拼写（共5小题，计5分）阅读下列各句，根据所给首字母在各题横线上写出所缺单词，使各句语义完整和正确。

小题1:Mr. White is a teacher. He works in a middle s________.

小题2:I g________ up at haft past six every morning.

小题3:In Changsha it's very hot in summer and very c________ in winter.

小题4:I could look a________ myself well when I was ten.

小题5:Please keep your eyes closed. Don't o________ them until I say "OK".

作为学生，不应该抄袭作业，不应该用粗鲁的态度对待老师和同学，不应该出口成“脏”。这说明责任是一个人：

A．应当做的事情

B．不应该做某些事情

C．必须做的事情

D．不想做的事情