—I love the Internet.I've come to know many friends on the Net.—________.Few of them would become your real friends.
This is Mr. Smith, ____ has something important to tell you. A. who I think B. I think who C. he thinks D I think he
I _____ the boy to save money for the future, but he wouldn’t listen.
In modern civilization, mankind is destroying the planet, all __________ progress.
With the project of animal protection, foxes are becoming more ________ in urban areas.
Food safety is ________ important, so the government spares no efforts to prevent food pollution.