【Itiswell-knownthatvegetables______agreatdealofvitamin,whichisveryusefultousA.includeB.keepC.contaninD.cover】
2022-05-01 39次 反馈错误 加入收藏 正确率 : 100%
题目内容：
It is well-known that vegetables______a great deal of vitamin ,which is very useful to us
A.include B.keep C.contanin D.cover
优质解答
c.contain
众所周知,蔬菜富含对人体有益的维他命
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