主谓一致问题1.Three millon tons of ____ every year in the city.2.T
主谓一致问题
1.Three millon tons of ____ every year in the city.
2.Thousands oftons of rubbish ____ over a large period of time.
为什么第一题答案is exploited.谓语动词用单数,第二题答案rot away.用复数.那么a ton of; tons of 作主语谓语动词怎么判断?