It's helpful to put children in a situation ________ they can see themselves differently.

A．that  B．when  C．which  D．where

—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

Is there anyone in your class ________ family is in the country?

A．who  B．who's  C．which  D．whose

The engineer ________ my father works is about 50 years old.

A．to whom  B．on whom

C．with which  D．with whom

They arrived at a farmhouse，in front of ________ sat a small boy.

A．whom  B．who  C．which  D．that