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。—I’m calling to say good-bye. I’m flying home tomorrow.— .
The _____ of his clothes indicated too clearly that he had been playing football.
When the entire class worked together they finished the project _____.
Paper making began in China and from there it _____ to North Africa and Europe.
Children who are over-protected by their parents may become _____.
It would be _____ a risk to let the child go to school by himself.