John bought the car at $ 7,000 which is a low price and I doubt whether there has been a ________ price since then.

As long as you are sure this plan works, you should ____ with it, whatever happens. 

We were scared to death when the fire _____. Fortunately, it was put out before it caused much damage.

The gym is a public place, so you should be ________ and leave all the machines clean after using them. 

Nowadays, China has become the largest consumer of mobile phones. _______, every person has one mobile phone.