Choose the correct answer in each sentence.

Mr. Ross,____________ is repainting the interior of the lobby, was recommended by a friend of the building manager.

Mark the letter A, B, C or D to indicate the underlined part that needs correction in each of the following questions.

If you care about protecting nature and having a positive impact, you should make sure that your travels have done sustainably.

It's time for us ____ in efficiency and renewable energy, rebuild our cities, towns, municipalities and states.

My mother allowed me to go out with my friends after I     my housework.

The Chinese______ spaghetti dishes for a long time before Marco Polo______ back to Italy 

Choose the best answer:

The girl .............. put up the Christmas decoration is my sister.

Choose the best answer among A, B, C or D that best completes each sentence: He stretched himself …. on the sofa and fell asleep.

Choose the correct answer in each sentence.

Tim Anderson will no longer be a member of the board,  __________  immediately.

Choose the best answer:
 You ............... to the seaside this summer.

It was so exciting! I was on the _____ of my seat!

I get quite depressed when I think about the damage we are  ................. to the environment.

The more you study, ...................

Choose the correct answer in each sentence.

If __________   parts are covered by the manufacturer’s warranty, return them immediately to the manufacturer and provide notice of the problem by e-mail.

Nobody was harmed in the fire,........... ?

Choose the correct answer in each sentence.

You can conduct the interviews in Room C ------ you ensure the room is empty by 4 P.M.

Choose the correct answer in each sentence.

Neil Gordon was awarded the Nature Farm Award in appreciation of ________   hard work and dedication to the Animal Care campaign.

Choose the correct answer in each sentence.

Fritz Center, the venue ____________   hosts the film industry's awards banquet, is undergoing an ambitious expansion project.

Choose the correct answer in each sentence.

Aurora Furnishing is finding it difficult to make a profit in its  ____________  competitive market.

People often use the natural world as inspiration to design and invent new ______ .

Choose the correct answer in each sentence.

Dr.Lin, the keynote speaker at this year’s Southeast Dentistry Convention,_________ several groundbreaking dental devices

There are excellent prospects for promotion, and you'll know you're doing something to benefit society.