Mark the letter A, B, C or D on your answ er sheet to indicate the word(s) CLOSET
in meaning to the underlined word(s) in each of the following questions.
Some land is best used if two or more different kinds of crops are grown on it alternately; on the other hand, it is better to grow the same crop continuously.
A. one after another
B. slowly but surely
C. time after time
D. for many years