题目

The chemistry teacher demanded that the laboratory report _______ immediately after the experiment was done. A. to be written             B. would be written      C. be written       D. must be written 答案：C小明的爸爸在国外工作，写信回来告诉小明：该国多为白色人种，大多信仰伊斯兰教，通用阿拉伯语。聪明的你知道该国在下列哪个地区（  ）A. 极地地区 B. 撒哈拉以南的地区 C. 中东地区 D. 拉丁美洲