1 . The tunes are easy _______ (sing), and the lyrics often leave you deep in thought. (所给词的适当形式填空)

2 . Over time, it _______ (expand) to include multiple options of soups, vegetables, meats and sauces, appealing to people of different tastes. (所给词的适当形式填空)

3 . One mouthful of comfort food takes us back to our cultural roots, giving us the “taste of home” that we cry out for and _______ (relieve) feelings of homesickness. (所给词的适当形式填空)

4 . _______ the impact of human activities continues to grow and the list of species in danger of extinction becomes longer, we are left with a question: can we afford to damage the “lungs of the planet”? (用适当的词填空)

5 . They have the confidence and ability ________ (handle) the important matter well. (所给词的适当形式填空)

6 . Don’t look down___________others; maybe one day you will have difficulties. (用适当的词填空)

7 . The problem _______________ (refer) to at the meeting tomorrow is about environmental pollution. (所给词的适当形式填空)

8 . The house __________ (build) there soon will be a library for the workers. (所给词的适当形式填空)

10 . People ________ (panic) and fled in all directions when they heard a deafening explosion in the street corner. (所给词的适当形式填空)