Also, #32 in test number 1 is wrong.
They have the wrong hash value, so even when you put in the right answer it doesn't turn green. ;)
I kept getting it wrong, too, until I figured that out.
Main Entry: milÂ·lenÂ·niÂ·um
Inflected Form(s): plural milÂ·lenÂ·nia
/-nE-& /; or -niums
Etymology: New Latin, from Latin mille thousand + New Latin -ennium (as in biennium)
1 a : the thousand years mentioned in Revelation 20 during which holiness is to prevail and Christ is to reign on earth b : a period of great happiness or human perfection
2 a : a period of 1000 years; especially : one reckoned from the beginning of the Christian era <at the start of the third millennium> b : a 1000th anniversary or its celebration