单项选择题


A．in
B．on
C．at
D．over
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单项选择题
A．sorry and sadB．worried and frightenedC．happy and friendlyD．tired and angry
A．sorry and sad
B．worried and frightened
C．happy and friendly
D．tired and angry
单项选择题
A．withB．onC．ofD．in
A．with
B．on
C．of
D．in
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