The element radium, ______ in the chemistry lab, gave off a blue light.
#95374
A
discovering
B
to be discovered
C
to discover
D
discovered
推荐题目
Mark has come in his raincoat and boots, _____ for rain.
#89820
A
preparing
B
prepared
C
to prepare
D
prepares
What prevented your plan ?
#95821
A
from being carried out
B
from carrying out
C
to carry out
D
to be carried out
Let those in need ________ that we will go all out to help them. (2013·陕西，13)
#88742
A
to understand
B
understand
C
understanding
D
understood
Under the environment of fierce competition, the only way John could imagine____stress was to get tougher by making greater efforts.
#90205
A
handling
B
to handle
C
handled
D
having handled
The look on his face showed that he was greatly of being left alone in the house.
#96029
A
terrified;terrifying
B
terrified;terrified
C
terrifying; terrifying
D
terrifying; terrified