Charles Babbage is generally considered to _______ the first computer.
#94390
A
to invent
B
inventing
C
to have invented
D
having invented
推荐题目
When _____ her father would come soon, she had an _____ look on her face. 
#95434
A
heard; excited
B
hearing; exciting
C
hearing; excited
D
heard; exciting
--- If John does not come to work on time, he may be fired.---Surely he is not so foolish _________ that.
#96985
A
as not to realize
B
as not realizing
C
that doesn’t realize
D
as to realize
______ many times, my elderly mother still can’t remember how to light the gas.
#91689
A
Had told
B
Having told
C
Having been told
D
Being told