Five ________ sources used most often are hydropower, solar, wind, geothermal, and biomass

Each of us must take _______  for our own actions.

The more he slept _______ he became.

The man and his dogs ________  were buried in the demolished building after the earthquake have just been rescued safely.

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.

If a  person  really wants to succeed,  they must always  work hard.

Mark the letter A, B, C or D on your answer sheet to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.

A mediocre student who gets low grades will have trouble getting into an Ivy League College.

She is a slow student. She seems to be unable to concentrate on anything in __________.

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.

The number of wild condors, an endangered  species of bird,  have been increasing  steadily  because of the work of scientists and environmentalists.