Mercury is the sun's swiftest planet. Its orbital period around the sun is only about 88 Earth days. A. hottest B. smallest C. slowest D. fastest
Mark the letter A, B, C, or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.
Mercury is the sun's swiftest planet. Its orbital period around the sun is only about 88 Earth days.
A. hottest
B. smallest
C. slowest
D. fastest