It is well known that Thomas Edison _____ the electric lamp.

[　　]

A．invented　　　B．discovered

C．found　　　　 D．found out

Let us hope we can settle the matter without _____ more trouble.

[　　]

A．any　　　　B．a little

C．some　　　 D．little

The students went home _____ as soon as school was over.

[　　]

A．right out　　　　　　B．right away

C．sometimes　　　　　　D．now and then

The result didn't _____ the expectation.

[　　]

A．fit for　　　　　　B．fit in

C．fit with　　　　　D．fit in with

If you _____ yourself to the job in hand, you'll soon finish it.

[　　]

A．request　　　　　　B．ask

C．apply　　　　　　D．claim

I'm _____ to go to his concert, for his music sounds sweet to the ear.

[　　]

A．anxiety　　　　　　B．eager

C．anxiously　　　　　D．eagerly

Her mother does not _____ of her going to study in the United States alone.

[　　]

A．admit　　　　　　B．agree

C．prove　　　　　　D．approve

If you get up early and run every day, you will _____ a lot from it.

[　　]

A．profit　　　　　　B．benefit

C．build　　　　　　D．receive

Student Council asks for _____ service to help the poor students.

[　　]

A．valuable　　　　　　B．volunteer

C．voluntary　　　　　　D．experience

--Since you like the fur coat so much, why not buy it?

--Well, I can't afford _____ coat.

[　　]

A．that expensive a

B．a that expensive

C．that an expensive

D．an expensive that