My grandfather is over sixty but he works as ______

[　　]

A. harder as before　　　B. hard than before

C. hard as before　　　　D. harder than before

Whenever he said something in English, he always spoke with ______

[　　]

A. difficulties　　　B. difficulty

C. dificult　　　　　D. difficultly

We students should prepare ______ the future.

[　　]

A. ourself to　　　　　B. ourselves for

C. themselves for　　　D. themselves to

All kinds of difficulties which we’ll meet with in lives have ______ overcome.

[　　]

A. been　　　　　　　B. to been

C. to have been　　　D. to be

______ you learn, ______ you’ll know.

[　　]

A. The more…the more　　　B. More…the more

C. The more…the much　　　D. The more…the less

I have a great _______ with English Grammar.

[　　]

A. difficult　　　　B. difficultly

C. difficulty　 　　D. difficulties

Bob was behind the other boys in ability, but before them in ______ .

[　　]

A. diligence 　　　B. diligently

C. diligent　　　　D. diligenting

The headmaster said that all this must ______ within one year.

[　　]

A. be accomplish　　　　B. accomplished

C. be accomplished　　　D. accomplish

The mountain-climbers ______ one mountain after another.

[　　]

A. has conquered

B. have conquer

C. have been conquered

D. have conquered

More and more people are ______ the good of the society.

[　　]

A. striven to　　　　B. striving to

C. strive for　　　　D. striving for