Is the T silent in exactly?
When the T and D sounds come between two other consonant sounds, many Americans will drop them. But when we add the -ly ending, it now comes between two consonants. You’ll hear a lot of native speakers say ‘exactly‘, with no T sound. Exactly, exactly.
How do you pronounce know and now?
NOSE and KNOWS are homophones and sound the same. They are pronounced N-long O-Z and they rhyme with TOES, GOES, FOES, LOWS. NOW is pronounced N-long OW. It rhymes with HOW, COW, POW.