Not only the air but also the oceans ........... been polluted seriously.

A. have B. has C. is having D. are having

The number of students in this class ............. limited to thirty.

A. be B. are C. is D. am

The quality of these recordings __________ not very good.

A. be B. are C. am D. is

There are small............................between British and American English.

A. differences B. difference C. differently D. different

Each of you.........a share in the work.

A. to have B. have C. having D. has

It is now ending its first term as a school (2) ____________by the village community

• A. run
• B. running
• C. has run
• D. to run

Five years ago it seemed certain to close but parents and other villagers fought the local education authority and raised funds to keep it (1) ____________.

• A. open
• B. opened
• C. to open
• D. for opening

The new policies include cutting _______ subsidies and trade barriers. (agriculture)

It is interesting ___________ a good film.

• A. to watch
• B. watching 
• C. watch 
• D. watched

His pronunciation causes me a lot of ________.

• A. difficulties
• B. difficult 
• C. difficulty
• D. difficultly