1 . We have spent such a long time ______(解释) what had happened, but he still does not understand us. (根据汉语提示单词拼写)

2 . There are different ways of d______ music, but the best and safest way is to purchase music from an online store. (根据首字母单词拼写)

4 . This might mean carrying out policy such as a plastic tax, or ________ (ban) single-use plastics altogether.(所给词的适当形式填空)

5 . In contrast to these big spenders, there are also teens that prove age is no barrier to ________ (好好利用) money. (根据汉语提示完成句子)

6 . Without our phones, we had a proper conversation for over two hours, without ________(使分心）by messages from other people. (根据汉语提示单词拼写)

7 . 他为保护文物做出了巨大贡献。(汉译英)

8 . 通过积极看待自己和自己的身体，我变得更快乐、更健康。
By ________________ about myself and my body, I became both happier and healthier.

9 . 我在我的饮食中加入了健康的食物，而不是停止食用我喜欢的食物。
________________ the food I enjoyed, I added healthy food to my meals.

10 . How about ________ badminton this Sunday morning?

A．to play

B．playing

C．plays

D．play