The problem with being a time waster is _____the online game playing often spills over into the periods of time that should be productive.
#34759
A
what
B
which
C
that
D
whether
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He always brings me a pretty gift ____ he comes to visit me.
#33925
A
by the time
B
sometimes
C
every time
D
at times
We’ll have a picnic in the park this Sunday _________ it rains or it’s very cold.
#79994
A
since
B
if
C
unless
D
until