More and more people know the importance of protecting the environment.
這里的importance用不用加s?
還有一個(gè)別的問(wèn)題:
花費(fèi)太多的時(shí)間看電視會(huì)妨礙學(xué)習(xí).
_______too much time on TV can _____in______ _______ _______ schoolwork.
第一個(gè)空填spend還是spending?
importance是不可數(shù)名詞,不加s
填Spending,動(dòng)名詞做主語(yǔ)