问题
选择题
It shocked Lucy’s parents ________ she were not given timely treatment, she would suffer from a cough for the rest of her life.
A．that
B．if
C．that if
D．if that
答案
答案：C
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It shocked Lucy’s parents ________ she were not given timely treatment, she would suffer from a cough for the rest of her life.
A．that
B．if
C．that if
D．if that
答案：C