题目内容
________ is a good form of exercise for both young and old.
[ ]
A.
The walk
B.
Walking
C.
To walk
D.
Walk
答案:B
解析:
解析:
|
动名词作主语表示一般或抽象的多次性的动作,不定式作主语表示具体的或一次性的动作,特别是将来的动作。 |
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