问答题
Mark where the stress falls in each of these words.
background supply contract student promote
involve retain college attend status
【正确答案】
b
a
ck
ground sup
p
l
y
c
o
n
tract
st
u
dent prom
o
t
e
inv
o
l
ve ret
a
i
n
c
o
l
lege att
e
n
d
s
t
a
tus
【答案解析】
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