Choose the correct answer in each sentence.

Everyone in favor of shortening working hours, but ________________   the president approves the change, nothing will happen.

Choose the correct answer in each sentence.

When customers have a complaint, employees have been instructed -------- the supervisor on duty.

He warned her ____________ the wire. 

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On next week's radio program, our host will interview Kristen Dabney about her time working as an _________   for a UN official.

Choose the best answer among A, B, C or D that best completes each sentence: There are a few shops at the end ____  the Street but both of them sell newspapers and magazines.

Some snakes lay eggs, but _______ give birth to live offspring. 

Changes in automotive technology are making hybrid cars increasingly ...................... to more consumers.

Choose the best answer:
He ……….. something under his breath

 It's our own fault. We blame_______ 

______ of you is going to be questioned by the police about your whereabouts at the time of the crime.

Choose the correct answer in each sentence.

The city   _______________ that all buildings pass an the inspection does not apply to historic landmarks.

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Gelden Petrochemical exports products to deputy customers _____________   the world.

 “Have you seen Kate?” “No, but she  ..............  be at her desk.”

Choose the best answer: 
this / time / at / yesterday, I / homework / my / doing / was.

Choose the best answer: 
They have studied English ________ three years.

Erna's friends will be on the coast. That's where _______ of them will be. 

Choose the best answer:
The majority of Asian students reject the American that marriage is a
partnership of equals.
 

My friends has given up ...................... and prefers ..................... pork. 

Choose the correct answer in each sentence.

All posters and flyers must be removed from the bulletin board _____________   48 hours after the event has occurred.

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The goal of the program is to make health services readily available to those in both rural and urban _____________.

Choose the correct answer in each sentence.

------- the right environmental conditions, this tree will yield fresh fruit for most of the year.