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單項選擇題

One and a half hour（）since we arrive. No one has come to meet us.

A.have passed
B.was passed
C.pass
D.has passed

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單項選擇題

On my left（）a wide river; on my right, a dark forest.

A.has been
B.was
C.are
D.would be

單項選擇題

On formal（）, people pay more attention to manners.

A.situations
B.cases
C.conditions
D.occasions

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