He started to work dilligently _____ he came up with the idea of hybrid rice for the first time in the 1960’s. 
#26969
A
at once
B
the moment
C
for the moment
D
in no time
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The meeting lasted till late ______.
#27708
A
into night
B
at night
C
into the night
D
at the night
I ___ taking his illness lying down, he insisted on working to the end heart and soul.
#28895
A
On account of
B
In the face of
C
Instead of
D
In front of