___How time flies!It's already twelve o'clock.
___ Oh,really? I ______ it at all.
A. don't realize B. Didn't realize
C. haven't realized D. hadn't realized
—Do you know the nearest way to the science museum?
—Sorry, I’m a stranger. This is the first time I _________ here.
A. was B. had C. came D. have come
I won't call you, ______ something unexpected haappens.
A.because B. While C.unless D.while
_____ There is _____ like a holiday to make one feel relaxed.
_____ That's ______ so many people enjoy themselves traveling.
A. Nothing; why B.something; because
B. Nothing; because D.something; why
That __________earthquake ___________ all the people of the city.
A. frightening; frightened B. frightened; frightening
C. frightening; frightening D. frightened; frightened
Some people like wearing fashionable clothes; ______, some birds like bright feathers.
A. possibly B. likely C. luckily D. similarly
