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

Now that she has apologized for her rude behavior, I am __________. [ ]

______ of years later, the first extremely small plants began to appear on the surface of the water.

____ regular exercise is very important, it’s never a good idea to exercise too close to bedtime.

wly-built cafe, the walls of _____ being painted light green, is really a peaceful place for us, especially after the hard work.