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【題目】With the ____________ (develop) of industry, air pollution is getting more and more serious.

【題目】If everybody realizes the ___________(important) of environment and does something to stop pollution, the problem will be solved.

【題目】If you go, at least wait until the storm is over.

【題目】All the preparations , we’re ready to start.

【題目】Jumping out of airplane at ten thousand feet is quite exciting experience.

【題目】“Learn through use” is a good piece of ________ (advise) for those who are studying a new language.

【題目】 (可替代的) energy sources are renewable, which means they can be used without running out.

【題目】The 60th anniversary celebrations of the PRC many different departments and classes of people.

【題目】Tom had determined to live up to the (期望) of his parents.