I have bought two ballpens，________ writes well.

A．none of them B．neither of them

C．neither of which D．none of which

Alice received an invitation from her boss，________ came as a surprise.

A．it B．that C．which D．he

Is this the factory ________ he worked ten years ago?

A．that B．where C．which D．the one

The weather turned out to be very good，________ was more than we could expect.

A．what B．which C．that D．it

—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

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

A．that B．when C．which D．where

Now there is just one point ________ I wish you to make quite clear.

A．where B．which C．whether D．when

Time is of no importance to great thoughts，________ are as fresh today as when they first passed through thinkers' minds ages ago.

A．what B．that C．which D．where

(2013·北京，27)Many countries are now setting up national parks________animals and plants can be protected.　　　　　　　　　　　　　　　　　　

A．when　 B．which C．whose D．where

(2013·福建，27)The book tells stories of the earthquake through the eyes of those ________ lives were affected.

A．whose B．that C．who D．which