Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to the following question.

Plants and animals could be used as ______________ against some diseases.

Mark the letter A, B, C, or D on your answer sheet to show the underlined part that needs correction

Most of the houses on this street were build in the previous century.

Choose the best answer. 

She  ____________________Ha Noi last week.

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Big Ben is the most famous tower in __________________.

Mark the letter A, B, C, or D on your answer sheet to show the underlined part that needs correction

 Our boss is worrying about the upcoming meeting, so all this stuff should complete before noon.       

Choose the best answer.

The food is very __________________.

Mark the letter A, B, C, or D on your answer sheet to show the underlined part that needs correction

Although I have to work on the weekends, but I don’t get any extra money.

Choose the best answer.

Where do you __________________fishing?