We have finished the work in time __________ your help.So we are very grateful for that.Which of the following is NOT proper?
#26438
A
thanks to
B
because of
C
as a result of
D
leading to
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The little boy felt grateful ________ the coach for his letting him ________ the game. 
#27220
A
for / join in
B
to / to join in
C
with / join
D
to / join in
 The tiger, once a __    __ animal to humans, is now ____ of disappearing on the earth.
#25994
A
dangerous, danger
B
dangerous, in danger
C
in danger, in danger
D
danger, in danger
Those overseas students volunteer 10 hours each week in Paris ________ free food and accommodation.
#25239
A
in search of
B
in contact with
C
in case of
D
in exchange for