He has no choice but ________.

[　　]

A．obeying

B．to obey

C．obey

D．to be obeyed

I ________his courage.

[　　]

A．cannot help but be admired

B．cannot help but admiring

C．cannot but admire

D．cannot but admiring

________, such spelling mistakes might have been avoided.

[　　]

A．You had been more careful

B．Had you been more careful

C．Would you be more careful

D．You were more careful

-Why didn't anybody ring me up?

-Sorry, I lost your telephone number; otherwise. I ________long before.

[　　]

A．had rung you up

B．must have rung you up

C．would have rung you up

D．should have rung you up

Tom told me that he saw ________.

[　　]

A．nothing else

B．other nothing

C．nothing other

D．else nothing

Little ________about what his brothers do.

[　　]

A．does he care

B．cares he

C．he care

D．is he care

________, he would have passed the exam.

[　　]

A．If he studied hard

B．If he were to studied

C．Had he studied hard

D．If he was to study hard

The world's supplies of copper ________.

[　　]

A．have been gradually being exhausted

B．are gradually exhausting

C．are gradually exhausted

D．are being gradually exhausted

________ his choice of two jobs, the man decided to take the one which was nearest to his house.

[　　]

A．When offered

B．When he is offered

C．When being offered

D．When offering

________ we eat the food, ________we like it.

[　　]

A．More; more

B．The more; more

C．The more; the less

D．More; less