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

Although they are identical twins, their teacher can easily ____ between them.

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

She has just bought ____.

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

The discovery was a major _______ for research workers.

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

Each (A) of the nurses (B) report to the operating room when his or (C) her name is (D) called.

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

My father used to (A) give me a (B) good advice (C) whenever I had a (D) problem.

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

Who was the last one ______the classroom yesterday?

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

By 1820, there were over sixty steamboats on the Mississippi river, _______ were quite luxurious.

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

The bad weather caused serious damage to the crop. If only it _______ warmer.