I think maths ____ very interesting. 

A．are　            B．is　                  C．sound　               D．seem

Nothing except some chairs _____ there.

A.was                   B. were                     C. has                   D. had

Professor Smith，along with his assistants，___________ on the project day and night to meet the deadline.

A.work              B.working           C.is working          D.are working

It was not long________the whole country rose up and drove the enemy out of their country.

A. when             B. before            C. after              D. until

Great changes have taken place in that school. It is no longer _______ it was 20 years ago, _______ it was so poorly equipped. 

A. what; when              B. that; which               C. what; which             D. which; that

____ the search engine just gave me some brief introductions rather than the whole content of the book to read.

A、Luckily  B、Mostly   C、Funnily  D、Disappointingly

We __________ Mr.Cox to be a fine professor.

A.accept         B.know          C.think           D.regard

He is __________ every day.He has never been late for school.

A.busy           B.diligent              C.careful        D.punctual

His private actions are in direct __________ with his publicly expressed opinion.

A.conversation              B.contradiction             C.contribution        D.connection

I have battled with my _________ over whether I should actually send this letter.

A.awareness           B.consciousness             C.conscience          D.mind