Choose the best answer:

If doctors could discover the ____for cancer, they could save millions of people's lives.

Choose the correct answer to complete the sentence: "__________ my mother felt a little better she had taken an aspirin."

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Neither of the two girls ............ my student.

Successful composers are versatile with ________  collaboration skills, allowing them to work on a variety of projects with producers and musicians from various backgrounds.

 Lien often plays __________ piano for the handicapped in her free time.

Choose the correct answer to complete the sentences.

Mrs. Hoa, _______  daughter is my best friend, is very kind

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On the farm, uncle Duong showed us how to _______ cucumbers.

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If they knew the danger, they would make it .......

Mai and Lan have a row because they have misunderstood one another.

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......, he didn't get an accident.

It took me so long ___________ home that some of the flowers I had bought earlier in the day had drooped so much that even ___________ them in water couldn’t revive them.

The company expects ________ from its employees.

He wouldn't have had an accident if he________more carefully.

Choose the best answer among the A, B, C, or D provided to finish each of the incomplete sentences below:

It is estimated that about 640 women remain illiterate in ____________ world, mostly in developing countries.

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Each of the students _____ made to answer several questions.

Choose the best answer A, B, C or D for the sentence: "By the end of last summer, the farmers _______ all the crop."

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He spends two hours a day ....... the piano.

Each of the nurses report to the operating room when his or her name is called.

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My uncle _______ a visit to Germany in 2005.

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This is .............. elephant I have ever seen.

By the end of last summer, the farmers _______ all the crop.