Choose the best answer:
I have been to Ho Chi Minh City ……………….. of times.

He used to like rock music when he was younger but now he’s gone ___ it.

Choose the correct answer in each sentence.

After hours of searching, the source of the water leak was _______________   identified by the plumber.

.................... our apartment building has had two robberies in the last month, I m going to put an extra lock on the door and install a telephone in my bedroom.

Choose the correct answer in each sentence.

------- the volleyball tournament is held indoors or outdoors depends heavily on the weather forecast for that day.

.............. some Japanese women are successful in business, the majority of Japanese companies are run by men.

When you are in a western country, your host may open a wrapped gift in front of you. Opening a present in front of the gift-giver is____  polite.

Our teacher insists that we __________ more careful in our writing.

Choose the best answer to complete each sentence

Economic reforms began in the Soviet Union in June 1985 by the Soviet leader Mikhail Gorbachev to _______ the Soviet economy.

Choose the correct answer in each sentence.

------- occurring substances are used in the vitamin supplement instead of chemicals.

All .................. products must be properly registered before being shipped out the distribution center.

My mother told me _____________ to anyone about it. 

: ______university in the country would like to have such ______ wellknown academic on its staff. 

 Let’s ...................... for a walk. 

The chemistry lab managers are concerned that new employees have not been trained ................. in the latest emergency procedures.

Choose the best answer to complete each sentence

Henry was a studious student. He needed no _______ to work hard.

Choose the best answer A, B, C or D to complete the sentence.

 Robots can act as 24/7 ____ to children with disabilities or the elderly.

Choose the correct answer in each sentence.

Because our sales representatives meet with high-level clients in the industry, ---------those with a professional manner will be considered for the position.

Choose the correct answer in each sentence.

Chris Cantfield was  __________  the outstanding candidates considered for the Thomas Award for exceptional police service.

For this reason, we continue to ................ interested in your products, and would like to receive your catalog.

Choose the best answer:

He was late because his alarm clock didn't ..................... that morning.