Is this factory ________ we visited last year?

[　　]

A．where　　　　　　B．in which

C．at which　　　　　D．the one

The book, the cover ________ is broken, is not mine.

[　　]

A．of it　　　　　　　 B．of that

C．of the one　　　　　D．of which

Completely ________ the teaching cause, she spent every minute she could spare in teaching the poor children in the distant village.

[　　]

A．devoting to　　　　　B．devoted herself to

C．devoted for　　　　　D．devoting herself to

　　——What do you suppose the young man succeeded in?

　　——________.

[　　]

A．To pass the driving test

B．Passing the driving test

C．Did well in the driving test

D．Passed the driving test

He had a good opinion of all ________ he had worked with.

[　　]

A．which　　　　　　　B．when

C．that　　　　　　　　D．when

Dorothy was always speaking highly of her role in the play, ________, of course, made the others unhappy.

[　　]

A．who　　　　　　　B．which

C．this　　　　　　　D．what

John said he'd been working in the office for an hour, ________ was true.

[　　]

A．he　　　　　　 B．this

C．which　　　　　D．who

He is the only one of the students who ________ a winner of scholarship for three years.

[　　]

A．is　　　　　　　　B．are

C．have been　　　　　D．has been

Alec asked the policeman ________ he worked to contact him whenever there was an accident.

[　　]

A．with him　　　　　　B．who

C．with whom　　　　　D．whom

We will be shown around the city schools, museums, and some other places, ________ other visitors seldom go.

[　　]

A．what　　　　　　B．which

C．where　　　　　 D．When