Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.

By measuring the color of a star, astronomers can tell how hot is it.

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

This time tomorrow ________ on the beach sunbathing and drinking freshly squeezed fruit juice!

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

He has read a lot of books and ___________ a lot of knowledge.

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.

Tom went on and on apologizing for it, which was quite unnecessary.

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

________, tell him I have gone to London.

Mark the letter A, B, C, or D on your answer sheet to indicate the underlined part that needs correction in each of the following questions.

It announced today that an enquiry would be held into the collapse of ahigh-rise apartment block

Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part differs from the other three in pronunciation in each of the following questions.

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

Tony would have forgotten the appointment if I hadn’t ________ him.