—There are ___ teachers in the school hall, and ___ them are women teachersA.hundred of; two hundredsB.hundreds of; two hundred ofC.hundreds of; two hundred
____ up late at night is bad for your health.
— ____ do you clean the classroom? — Three times a day.
He prefers _______ to __________.
There _____ an exciting party at Mr. Wang’s this evening.
Are you free now? I have ___________ to tell you.