Choose the best answer:
My headmaster made a ……….. at his retirement party.

Both men realized what was happening; _______ could do anything about it. 

 _______ is your favourite sport? Fishing.

Choose the correct answer in each sentence.

Because of her hearing disability, Ms. Frasier will be _______________   by a sign language expert so she can participate in the meeting.

It was ...............  that we had gone for a walk.

We were quite impressed by the _______ students who came up with  the  answe  to our question almost instantly.

Choose the best answer among A, B, C or D that best completes each sentence: Many people said that they could not share their experiences and opinions so quickly and _____ if there weren't Internet connectivity.

They  argued  ................  us .......... th problem last night, but we could not find ......... the solution.

The United States and Canada have many trade agreements that benefit______ 

Choose the best answer among A, B, C or D that best completes each sentence: They wanted ____ why I hadn’t joined my friends on the trip.

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Investors were seriously ……………….. when the stock market began to crash.

His parents did not really give ______ ______ support, yet he still managed to become successful in setting up his own business. 

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A horse which runs races is calleda__________

Choose the correct answer in each sentence.

Dissatisfied customers of Maple Housekeeping may terminate the contract _______________   three days of the first cleaning session.

Choose the correct answer in each sentence.

No passengers are allowed on --------board the aircraft's door has been closed.

Choose the correct answer in each sentence.

------- he arrived in Indonesia, risk analyst Hoi-Tung Lai has been assessing the his spending of Jakarta’s middle class.

GPS systems help a lot of people ____ on land, on the sea, and in the air.

Choose the correct answer in each sentence.

Mr. Denson wanted to purchase a special edition gold-plated watch from Utica Watches, but there were   __________ left.

A company picnic is .................. for September, when most staff will be back from vacations, although no date has yet been selected.

I don’t enjoy ___________ letters. 

Choose the best answer:
There is a(n) __________.