Only then _____ how much damage had been caused.
A．she realized B．She had realized
C．had she realized D．did she realize
As we all know，dark glasses can ________ the eyes from strong sunlight.
A．prevent B．care C．help D．protect
How the big forest fire has remains to be a mystery.
A．turned up B．broken out C．taken place D．broken up
It was on October 1st _____ new China was founded.
A．which B．that C．when D．as
I would rather _____ the weekend at home than ______ all the way to such a place.
A．spending, driving B．spend, to drive C．spend, drive D．to spend, drive
Her sister ______ a rich man. They ______ for twenty years.
A．married with; have married
B．married to; have married
C．married; have been married
D．has married with; have been married
