—What do you think of teaching,Bob?
—I find it fun and challenging.It is a job ________ you are doing something serious but interesting.
A.where B.which C.when D.that
The weather turned out to be very good,________ was more than we could expect.
A.what B.which C.that D.it
Is this the factory ________ he worked ten years ago?
A.that B.where C.which D.the one
Alice received an invitation from her boss,________ came as a surprise.
A.it B.that C.which D.he
I have bought two ballpens,________ writes well.
A.none of them B.neither of them
C.neither of which D.none of which
Is ________ some German friends visited last week?
A.this school B.this the school
C.this school one D.this school where