He knew the problem was serious and promised to look into it _____ he reached office.
#94818
A
at that moment
B
for that moment
C
immediately
D
soon
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To succeed in doing an experiment,________.
#94929
A
carefulness is needed
B
carefulness is one needs
C
one needs to be careful
D
one need be careful
________, his suggestion was taken by all the people at the meeting. 
#93894
A
owever strange might it sound  
B
owever strange it might sound
C
owever it might sound strange 
D
trange however it might sound