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—_____ do you water the flowers? —Twice a day.
#56281
A
How many
B
How many times
C
How often
D
How soon
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Why don’t you come and have a look?
#55200
A
Why don’t
B
Why not
C
Why about
D
What don’t
--- When did your father come back last night?--- He didn’t come back _______ he finished all the work.                                                           
#56358
A
until
B
while
C
if
D
unless
My English teacher is busy, __________ she always finds time to visit her parents.
#57588
A
and
B
so
C
but
D
or
  I   didn’t   know  anything  about it ______my  father told me .
#55534
A
until
B
because
C
after
D
and
 _____you _____he is able to ski, but I am.
#58467
A
Both, and
B
Not only, but also
C
Either, or
D
Neither, nor