He left his motherland in the year ________ the second World War broke out.

[　　]

—Why didn't you ask them for help?

—I knew ________ of those people.

[　　]

That's a bit windy today, ________?

[　　]

A．isn't it　　　    　B．isn't that

I have been looking forward ________ my grandmother.

[　　]

A．to see　　　　　　　　　   　B．to seeing

We moved to a new district ________ had better schools.

[　　]

A．it　　　　　　　　　　   B．which

The meeting was attended by 200 people, all of ________ stayed until the end.

[　　]

A．them　　　　　　　　　　　 　B．whom

Do you know ________ Bob is getting on well with his studies.

[　　]

A．how　　　　　　　　　　　  　B．that

I remember the day ________ the civil rights march took place.

[　　]

A．when　　　　　　　　　　  B．which

Lei Feng set a good example ________ all of us.

[　　]

A．to　　　　　　　　　　　　　  　B．for

They both worked out the problems, but the way ________they did it were quite different.

[　　]