1 . We’ve talked recently about the importance of   ________ (可持续的) energy. (根据汉语提示单词拼写)

2 . I felt _________ (头晕目眩的) when I didn’t sleep well.(根据汉语提示单词拼写)

3 . I tried to learn how to play it, but after trying for hours I _________(convince) that I could never make a music sound with this instrument. (所给词的适当形式填空)

4 . One day _______ (虚拟的) reality will revolutionize the entertainment industry. (根据汉语提示单词拼写）

5 . She was tall and _______________(苗条). （根据汉语意思单词拼写）