I have no doubt _____ he will get the first place in the competition.

阅读下面的内容，对麦家的话理解最正确的一项是（ ）著名作家麦家说，平庸的人有一条命：性命。优秀的人有两条命：性命和生命。卓越的人有三条命：性命、生命和使命，它们分别代表了生存、生活和责任。

He is ________ a friend to me.He is in a way my English teacher.[ ]

My brother gets the first prize for computer in our city today.—I am sure he be a very smart student.

Once you________drugs, it’s hard to manage to get rid of them.[ ]