-________Mary ________Alice has joined the music club because they have no time. -It's a pity!
A. Both;and
B. Either;or
C. Neither;nor
D. Not;but
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Don't forget to wash your hands ________you have meals.
A. before
B. until
C. though
D. unless
Come on,________you'll be late.
A. and
B. but
C. or
D. so
Good to see you again. It's almost three years ________we met last time.
A. until
B. before
C. while
D. since
-Do you like sports?-Yes,I do some running in the park every day ________the weather is terrible.
A. if
B. after
C. unless
D. while