问题
选择题
It came as_______ surprise that Poland’s President and scores of its top officials were killed in _______ air crash in Russia.
A．不填; the
B．a; an
C．a; 不填
D．the; an
答案
答案：B
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It came as_______ surprise that Poland’s President and scores of its top officials were killed in _______ air crash in Russia.
A．不填; the
B．a; an
C．a; 不填
D．the; an
答案：B