Some land is best used if two or more different kinds of crops are grown on it alternately

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Choose the letter A, B, C or D to indicate the word or phrase that is CLOSEST in meaning to the underlined part 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.

time after time

slowly but surely

one after another

for many years

Giải thích

Đáp án C

alternately: luân phiên => Đáp án là C. one after another: từng người một tiếp nhau