单项选择题
They will（） against pirates and pilferage.
A. take place B. take over C. take measures D. take up
单项选择题 When we hoist national flag together with other flags, we should keep the national flag in the （）place.
单项选择题 We can’t hoist （）national flag.
单项选择题 The sailors should show the relevant （）by day.
