Choose the correct answer in each sentence.

 In a corporate setting, many employees find it  ________  to focus on their work in an open office where there are people constantly walking by.

The teacher recommended that Tom ................ his composition as soon as possible.

Who was the first person ..............  the South Pole?

Choose the correct answer in each sentence.

President Grimaud would like to thank the marketing department for __________Giải thích:
Tạm dịch:    the mislabeling issue to her attention.

Scientist are warning that human activity is starting to cause ................... in the Earth’s climate due to increasing temperatures.

Right now, Jim______ the newspaper and Kathy______ dinner 

Definitions of music can change dramatically over a short time, as they have across the world during the 20th  _________.

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The clerk said that ________________   fifteen customers had been waiting outside the store for it to open.

The sea was dangerous, _________we didn't go out for a swim.

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The government ____________   all businesses to ensure their tax returns are completed on time.

It is fun to learn English on _______ computer. 

Although they ———————, they did not lose heart.

Choose the best answer:
What is the waterwheel used _______ ?

 ____ before? – Yes, I ____ my holidays here last year.

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The governmental department used to provide financial aid, but now it offers ----- services only.

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The event coordinator will need to change the venue  ____________  there are more attendees than expected.

Seaward of the continental shelves lies the Arctic Basin proper, which is subdivided  _______ a set of three parallel ridges and four basins (also known as deeps). 

Choose the correct answer in each sentence.

Participants in the walking tour should gather _________   533 Bates Road on Saturday morning.

Choose the correct answer in each sentence.

Since the local mines are closing down, miners at the Iron Materials Company will soon have to   ________ other job opportunities.

You can’t wash this jacket in the washing machine- you need to get it  .....................

After they ................. all the food, they picked up their bags and left.