underwater 

 I have an underwater camera .

 submarines

  The submarines sailed deep under the ice cap . 

  underground

   After this , I no longer work for the underground .

  control

 She has no control over that dog .

 energy 

 That child has too much energy .

virtual reality 

 I have a virtual reality game .

 pills 

  She sat there sulking and picking the pills off her sweater .

  power 

 Fair trade , say Oxfam , is about giving poor people power .

 agree

 I agree that he should be invited .

 disagree

 I disagree with your opinion .

 Xin lỗi vì làm lâu!

 Hok tốt!

It's underwater.

Wow! There are submarines!

Many moles live underground.

The machine is under our control.

We save our energies.

We are talking about virtual reality.

The patient takes 3 pills a day.

I've no power over him.

I agree with him.

He disagrees with me.