--I think your father is very busy.--So he is._______ he still takes a walk with us sometimes.
#57621
A
So
B
And
C
Or
D
But
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---We can't be successful _____ we keep on working hard. ---I agree with you.
#57280
A
if
B
because
C
unless
D
until
It ______last week that the haze(雾霾) in Beijing caused many problems.
#56008
A
reports
B
reported
C
is reported
D
was reported
My mother often plays table tennis __________my father doesn’t like sports.
#56461
A
and
B
but
C
so
D
or
My cousin has been learning English _____she was six years old.
#57903
A
when
B
since
C
until
D
because