It is true that knowledge _______ rather than being taught.
_______of the money_______been spent recycling the rubbish.
______ is your mother?—She’s forty.[ ]
Have you heard of the big fire last night? –Yes. The firemen struggled against it for about 35 minutes and _______ the fire at last.
You seem to like sweets.—_______. That’s probably why I’m becoming fatter and fatter.