His grandpa was so poor at that time that he had to get up at dawn every day and walk to the factory in distance.
But at other moments you will find him gentle and weak, _____ he cries about the lost lives of people drowned in ships that have sunk.
They form a polar molecule, ____ is, ____ with a slightly positive end and a slightly negative end.
They find themselves surrounded by colorful rocks, fishes, seashells and plants, all ____ slowly in the blue water.
Even though the pure water is ____ gives sea water its main properties, the salinity of sea water affects both its weight and freezing point.
Mike is Mrs.’ pet student, ____ all her students no one else is as nice as he.