北京语言大学2021年9月《英语语法》作业考核试题及答案参考
1.To know what is good and doing what is right are two different things.( )
A.错误
B.正确
参考答案：A
2.______ is a good form of exercise for both young and old． A．The walk B．Walking C．To walk D．Walk
______ is a good form of exercise for both young and old．
A．The walkB．WalkingC．To walk D．Walk
B动名词作主语表示习惯性，泛指经常性、不具体的动作。而不定式作主语则表示一次性、特指、未来具体的动作。由句意可知，主语表示泛指的、经常性的动作。
3.He is too weak to ______ the heavy box. A) rise B) arise C) raise D) arouse
He is too weak to ______ th ...