Choose the correct answer in each sentence.

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

How did the framers put into ............... the idea of popular sovereignty expressed in the Declaration of Independence?

These two provinces are Canada’s business and  _______ heartland.

Choose the best answer:
Many ethnic _________ students are studying at boarding schools.

Choose A, B, C, or D that best completes each sentence.

Cold deserts can be covered in ________ snow or ice and frozen water is unavailable to plant life.

Choose the correct answer in each sentence.

Traditional marketing techniques do not always achieve the   ___________ results.

 ___Grand hotel is in ___ Baker Street. 

Mario has now ............... to the point where his English is almost fluent.

Something's just ____ up, so I'm afraid I won't be able to make it this afternoon.

A recent study found that many users spend up to 40 hours a week on the Internet; although they felt guilty, they became depressed if they were  ______ to stop using it.

Not ........... on such a hot day, the beach was crowded.

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

Choose the correct answer in each sentence.

The research and development team that John ------ is now performing extremely well.

Nonrenewable resources include fossil fuels and mineral deposits, such as  _______ ore and gold ore. 

Choose the correct answer.

Thanks to pictures taken by satellites, deserts have not ________ a mystery in our time.

Choose the correct answer in each sentence.

The green light on the side of the water purifier lights up ________________   the filter needs to be replaced.

Choose the correct answer in each sentence.

The leaky faucet has been repaired, so visitors may ________________   use the first- floor restroom.

Choose the letter A, B, C or D to complete the sentence below
The Sahara is the largest hot desert in the world, and the third largest desert behind Antarctica and the Arctic, which are …....…. cold deserts.

Choose the correct answer in each sentence.

Management has approved additional funds for the budget, which means we can  ________  the expense for placing a new advertisement.

____________, the bird may abandon the nest, leaving the chicks to die.

Choose the correct answer in each sentence.

___________ the mayor's office, the opening of the new bridge has been postponed until next Monday.