Mr. Green and Mr. King have taught English at Beijing Sunshine Secondary School ________ they came to China two years ago.
#56650
A
since
B
as
C
for
D
until
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— Sam, you don’t work hard at geography.— My dad says that the world is changing every day, I decide to wait until it stops.
#55221
A
because
B
while
C
if
D
so
