题目内容
---You’ve dropped ________“s” in the word “necessary”.
--- Oh, ________letter “s” is doubled.
A. a; a B. a; the
C. an; the D. the; the
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题目内容
---You’ve dropped ________“s” in the word “necessary”.
--- Oh, ________letter “s” is doubled.
A. a; a B. a; the
C. an; the D. the; the