第一节:单项填空(共15小题;每小题1分,满分15分)
从A、B、C、D四个选项中,选出可以填入空白处的最佳选项。
21.The A(H1N1)
influenza (甲流)was spreading
rapidly across the country but it remained under______ control, _______official
with the Ministry of Health said in Beijing on Sunday.
A.不填;an B.the; an
C.不填;不填 D.the;
the