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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單項選擇題

A life-buoy should be （）at the gangway door.

A. locate
B. located
C. locating
D. to locate

單項選擇題

“In no time” means （）.

A. have no time
B. in a minute
C. a long time
D. a short time