第一部分语言知识运用第一节 单项填空(共15小题,每小题1分,满分15分)21.We work together to achieve our common purpose: world that is safer cleaner and healthier than one we found.
The expert insisted that silkworms were first raised by a woman in is now Hebei Province.
My grandfather is as as a young man and hates sitting around doing nothing all day.
— I am afraid the task is too difficult for me, sir. — , Linda. Just believe in yourself!
— John, where are the cookies? Don't tell me you ate them all. — . I couldn't help it. They were so good.
Mike had to walk home his bike stolen.