下列各组句子中，加点词语的意思和现代汉语相同的一项是（ ）

The teacher talked in a very low voice_____make himself________, clearly

When will your father be back home?— ____ twelve o’clock

d women should be treatedequally according to the law, but _____ there is great room for improvement

The old man lives happily with his two sons and a pet dog. _____ of them are part of his family.