問題詳情
(31-33) Oceans on our planet were once 31 fish and plants,but now they are in serious trouble. The number of ocean fishand plants has become lower and lower than before because32 . We have to stop doing it, or someday we probablywon’t 33 see any seafood on our dining table.
【題組】31.
(A) full in
(B) covered with
(C) rich in
(D) fun to
參考答案
答案：C
難度：計算中-1
書單：沒有書單，新增
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