【題目】At celebrations, people should stop ____ fireworks to reduce pollution.

【題目】The Chinese saying “A tree can’t make a forest.” tells us that _____ is very important in everything.

【題目】The grassland, reaching out far away, looks rather beautiful _____ the blue and clean sky.

【題目】He offered us some ______________(建議), but none of them are valuable to us.

【題目】—Could you please tell me ______?

【題目】—Excuse me, sir. But would you mind ______ here?

【題目】—What are you doing, Lisa?

【題目】Singapore is one of ______ places I have ever been to.

【題目】—Have you watched the movie Bumble Bee?

【題目】社會發(fā)展得太快，誰會站在下一個技術(shù)領(lǐng)域的潮頭，沒人會知道。