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This year they have produced______ grain _________ they did last year.

A. as less, as　 B. as few, as　　 C. less, than　 　 D. fewer, than

This year they have produced ________ grain ________ they did last year.

[　　]

This year they have produced＿＿＿grain＿＿＿they did last year.

A. as less； as     B. as few； as

C. less； than     D. fewer； than

This year they have produced＿＿＿grain＿＿＿they did last year.

A. as less； as     B. as few； as  C. less； than     D. fewer； than

 This year they have produced＿＿＿ grain ＿＿＿they did last year.
　　A. as less； as B. as few； as C. less； than D. fewer； than