The gym is not responsible for lost or stolen ______.

• on alert

• border

• property

• define

At this moment, we don't feel any danger. We feel very ______.

• secure

• authorized

• member

• property

Our science club has over one hundred _____.

• on alert

• border

• members

• property

I want to know the meaning of this word. Can you _____ it for me, please?

• authorize

• define

• secure

• border

The base might be attacked, so all of the troops are ______.

• on alert

• secure

• defined

• border

Make sure you have your passport with you if you are planning to cross the ______.

• on alert

• border

• member

• property

The commander _____ her assistant to make decisions while she was absent.

• defined

• secured

• property

• authorized

Jack: Who did you support in the argument?

Brad: I didn't take _____ in it.

• sides

• steps

• border

The president should ____ more troops to complete the mission faster.

• threaten

• call up

• attack

A dangerous hurricanes is _____ to hit the coast.

• defending

• settling

• threatening