第二部分知识运用(共两节,满分20分) 第一节单项填空(共10小题;每小题1分,满分10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,并在答题卡上将该项涂黑。 21. When I got up that morning, I found ________ elephant standing by the window. A. a B. an C. the D. 不填
Is it normal that in September hotels near universities are overcrowded, _____ many parents from a distance nowhere to stay but to sleep on the playground ?