【单选题】 Cats ______ afraid of dogs, but my Kitty always chases my neighbor's dog.
A.supposed to
B.are supposed to be
C.be supposed to
网考网参考答案:B
网考网解析:
[考点] 固定搭配 [解析] be supposed to 表示“应该做……”,与should 意思相近。词组 be afraid of 的意思是“担心”,因此正确答案是[B]。
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