It’s said that an American often starts a speech with a joke, _______ a Japanese seldom does.
#31649
A
as
B
when
C
while
D
though
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Mike resembles his mother in appearance _____ his personality follows his father's.
#31799
A
who
B
which
C
while
D
where
_______ you sit in front of the computer all day while working, you’d better take exercise for at least an hour every day.
#32517
A
Even if
B
Even though
C
Now that
D
As if
In the global economy, a new drug for cancer, _________ it is discovered, will create many economic possibilities around the world.
#30704
A
whatever
B
whoever
C
wherever
D
whichever