An experienced doctor usually judges a patient’s illness according to the various________.
#10964
A
signs
B
symptoms
C
signals
D
marks
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At a rough estimate, Nigeria is ____ Great Britain. 
#12806
A
twice big as
B
as twice big as
C
three times the size as
D
three times the size of
I’m sorry to tell you that the library doesn’t allow ________ loudly.
#12841
A
talking
B
to talk
C
anyone talking
D
anyone talk