难点 5 动词-ing形式的双重语法功能

    动词-ing形式可用作动名词和现在分词，动名词由动词+ing构成，具有动词和名词的性质，在句中起名词作用，可作主语、宾语、表语和定语。现在分词有一般时和完成时，在句中可以作定语、表语、状语和补语。

    ●难点磁场

    1.(★★★★)Though________money,his parents managed to send him to university.

    A.lacked B.lacking of

    C.lacking D.lacked in 

    2.(★★★★★)How about the two of us________a walk down the garden?

    A.to take B.take

    C.taking D.to be taking

    3.(★★★★)________is a good form of exercise for both young and old.

    A.The walk B.Walking

    C.To walk D.Walk

    4.(★★★★)—I must apologize for________ahead of time.

     —That’s all right.

    A.letting you not know B.not letting you know

    C.letting you know not D.letting not you know