Believe it or not, he was seen ______upstairs just now.
#98373
A
to go
B
to going
C
having gone
D
go
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There was a big dog ______ in front of Mr. Hill’s house, so David didn’t dare to go near it.
#91653
A
to sit
B
sat
C
sitting
D
sits
Reading articles like that, if , will do harm to you.
#95240
A
continued
B
continues
C
continuing
D
to continue
He always dreams of ________ a chance for him to bring into full play his potential.
#89127
A
there being
B
there to be
C
there is
D
being
I always hate________when reviewing lessons and appreciate________alone.
#88499
A
disturbing；staying
B
to disturb；to stay
C
being disturbed；staying
D
to be disturbed：to stay
More bison were killed．The bison population is thought ______ from 60 million to just a few hundred between 1850 and 1910.
#96722
A
to have fallen
B
having fallen
C
to fall
D
falling