问题
选择题
It shocked us all that little boy hadn’t been separated from that patient, he would have been infected with H1N1.
A．if that
B．that if
C．if
D．that
答案
答案：B
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It shocked us all that little boy hadn’t been separated from that patient, he would have been infected with H1N1.
A．if that
B．that if
C．if
D．that
答案：B
