The monument was built in honor of the explorer who was believed ________ the big river.
#88812
A
to have discovered
B
to have been discovered
C
to discover
D
having been discovered
推荐题目
___to complete the job on time, they set out to work immediately.
#95665
A
Determined
B
Be determined
C
Having determined
D
To be determined
Don’t leave the water ________ while you brush your teeth. 
#94420
A
run
B
running
C
being run
D
to run
Little Tom admitted ______ in the examination, ______ that he wouldn’t do that in the future.
#94195
A
to cheat; to promise
B
cheating; promised
C
having cheated; promising
D
to have cheated; promised