--I'm told that John had another car accident this morning.--I believe not. He _________so careless.
#90014
A
shouldn't have been
B
wouldn't have been
C
couldn't have been
D
mustn't have been
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It is hard for me to imagine what I would be doing today if I_____ in love , at the age of seven , with the library in my hometown .
#89512
A
wouldn’t have fallen
B
should not fall
C
had not fallen
D
were not to fall
But for friction (摩擦力), people ______ neither walk, nor even stand up.
#86752
A
can
B
were able to
C
will be able to
D
could