teaching in a university, healso spent some time teaching in a night school.

We’ll learn much from this failure, so our suffering and efforts are not ________.

When he , I’ll tell him the news. But I don’t know when he .

．—I didnot know you were good friends．—You___．I have known her since she moved here．You were abroad then．

Our teacher usually gets to school a little _______ than our students.