A. living on one’s knees B. live on one’s knees
C. on one’s knees
D. to live on one’s knees
2、作表语
Her job is to clean the hall.
His ambition is to become a successful scientist.
Marx found it important to study the situation in Russia.
Do you think it wise to interfere?
4、不定式做介词宾语 不定式用作介词宾语主要用作介词except和but的宾语。 The old man’s son did nothing but play games.
careless,,clever,good,foolish,honest,kind,lazy,nice,right,silly, stupid,wise,等表示赞扬或批评的形容词,不定式前的 sb.可作其逻辑主语。
It is better to die on one’s feet than ____
C. the holder to use D. the holder uses
Because of the recent accident, our parents forbid my brother and me from swimming in the river unless someone agrees to watch over us.
A. be bloomed
B. bloom
C. bloomed
D. blooming