ing to scientists, our mental abilities beginto____ from the age of 27 after reaching the highest level at 22.

_____he have English ____Thursday –Yes, he does !

______ in diving suits, they walk around in this magic world, lighted by the lamps of the ship.

I have __________ food in my bag , but he doesn’t have __________.

Tu Youyou, 85-year-old Chinese female scientist, was awarded Nobel Prize in Physiology and Medicine in 2015.