The group of research workers are said to ________ to the dangerous nuclear radiation while they carried out their rescue task.
#96032
A
be exposed
B
have been exposed
C
exposed
D
be exposing
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The country has already sent up three unmanned spacecraft, the most recent at the end of last March.
#97890
A
has been launched
B
having been launched
C
being launched
D
to be launched
—There is a hole in your bag?—I know. I’m going to have it __________.
#95950
A
mend
B
mending
C
mended
D
to be mended
A local publicity official said a trampling accident happened at a private school in Xiangtan city, Hunan Province, _______ eight dead and twenty-six _______.
#97074
A
leave; injured
B
left; injured
C
leaving; injuring
D
leaving; injured
_____to his research work, the professor cared little about any other things．
#94003
A
Devoting
B
Devoted
C
Having devoted
D
To devote