问题
选择题
.
“ Look at him! He behaved ________ nothing had happened”, said Mary.
A．as if
B．even if
C．if
D．unless
答案
答案：A
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.
“ Look at him! He behaved ________ nothing had happened”, said Mary.
A．as if
B．even if
C．if
D．unless
答案：A
