How time flies! It’s almost three years ______

How time flies! It’s almost three years _______ we met last time.

#57893

when

before

while

since

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I’d like to go with you, _____________I’m too busy.

#55218

and

but

Why ____________ enjoy Beijing opera with us?

#57628

not to

don’t

not

you don’t

---I don’t have a tennis racket, _____my brother has one. --- Let’s go to find him.

#56149

and

but

He is tall, _____ his son is short.

#57153

when

while

and

If the question ______ incorrectly, _______ question will be given to you

#57305

is answered, other

answers, other

is answered, another

answers, another

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