She was supposed at home, but her mother found her in the park．A.to be readingB.
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She was supposed ________ at home, but her mother found her in the park．
A.to be reading
B.reading
C.read
D.have read
试题答案
A
be supposed后面应接不定式形式，表示“应该、理应做某事”。该句用不定式的进行时表示“理应正在家里读书”。