There is ____ as a free dinner in this world, as the saying goes, “No pains, no gains.”

Food safety is ________ important, so our government spares no efforts to prevent food being polluted.

Please admire the ___decorated rooms where King HenryⅤⅢ met kings from other countries.

I’ll be ________ to do the same thing in your situation.

 It sounded like something was wrong with the car’s engine then, ______ they would have carried on their journey.