After ________in the research for so many years，the scientist succeeded in finding the result at last.
#93113
A
buried
B
being buried
C
having buried
D
having been buried
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Lucy has a great sense of humour and always keeps her colleagues with her stories.
#95515
A
amused
B
amusing
C
to amuse
D
to be amused
Now that you’re grown up，you’d better spend your time just on the things you find_______.
#91339
A
worth doing them
B
worth being done
C
worthy of doing them
D
worthy of being done
He hurried to the booking office only_________that all the tickets had been sold out.
#98940
A
to tell
B
to be told
C
telling
D
told
The country has already sent up three unmanned spacecraft, the most recent _____ at the end of last March.
#99009
A
has been launched
B
having been launched
C
being launched
D
to be launched
On hearing a great noise, Mike looked forward through the window _____ what happened outside the room.
#98597
A
to seeing
B
to see
C
seeing
D
to have seen