More and more people know the importance of protecting the environment.这里的importance用不用加s?还有一个别的问题:花费太多的时间看电视会妨碍学习._______too much time on TV can _____in______ _______ _______ schoolwork.

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More and more people know the importance of protecting the environment.这里的importance用不用加s?还有一个别的问题:花费太多的时间看电视会妨碍学习._______too much time on TV can _____in______ _______ _______ schoolwork.

More and more people know the importance of protecting the environment.这里的importance用不用加s?还有一个别的问题:花费太多的时间看电视会妨碍学习._______too much time on TV can _____in______ _______ _______ schoolwork.
More and more people know the importance of protecting the environment.
这里的importance用不用加s?
还有一个别的问题:
花费太多的时间看电视会妨碍学习.
_______too much time on TV can _____in______ _______ _______ schoolwork.
第一个空填spend还是spending?

More and more people know the importance of protecting the environment.这里的importance用不用加s?还有一个别的问题:花费太多的时间看电视会妨碍学习._______too much time on TV can _____in______ _______ _______ schoolwork.

importance是不可数名词,不加s

填Spending,动名词做主语