Storm chasing is so dangerous that some chasers are often hurt in accidents ______ by driving in a heavy rain.
#95917
A
having caused
B
caused
C
to be caused
D
causing
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The couple is considering a 3D TV set for their new flat, which is widely considered to be in fashion．
#88866
A
to buy
B
buy
C
buying
D
to be bought
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
It is good ______ for an Arab to stand ______ to his friend when they are talking.
#93816
A
manners; close
B
manner ; close
C
manners ; closely
D
manner; closed
_______ in the storybook that he had bought not long before, the boy didn’t notice his mother go into his room.
#95863
A
Losing
B
ost
C
aving lost
D
o be lost
The question is very important. It really needs _______.
#97984
A
carefully discussing
B
carefully to discuss
C
to carefully be discussed
D
being discussed carefully