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單項選擇題

When a ship arrives at a foreign port, you should hoist （）national flag.

A. foreign country’s
B. own country’s
C. A or B
D. A+B

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單項選擇題

We should （）the national flag when the sun sets.

A.lower
B.lowed
C.lowing
D.lowers

單項選擇題

When you hoist national flag, you should hoist it in （）place.

A.outstanding
B.secret
C.A or B
D.A+B

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