11. State officials are encouraging more farmers to become _____ as organic growers.
(A) certify
(B) to certify
(C) certifying
(D) certified
答案:登入後查看
統計: A(47), B(48), C(175), D(298), E(0) #3032119
統計: A(47), B(48), C(175), D(298), E(0) #3032119
詳解 (共 4 筆)
#5726536
關鍵 encouraging 、become
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