單項選擇題

What（）of blood does Tom have?

A.kind
B.type
C.sort
D.category

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單項選擇題

Let's not wait any longer, he might not（）at all.

A.turn over
B.turn up
C.turn on
D.turn down

單項選擇題

One day while Mr. King was working, he had a(an)（）and his left leg was badly injured.

A.business
B.accident
C.matter
D.event