She paused _____ over the unfamiliar word but soon continued.
#22979
A
frequently
B
briefly
C
anxiously
D
casually
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 He studies the subject _____. 
#24785
A
far
B
farther
C
further
D
farthest
As he works in a remote area, he visits his parents only__________.
#24744
A
occasionally
B
anxiously
C
practically
D
urgently
I must go now. _____, if you want that book I'll bring it next time.
#25041
A
Incidentally
B
Accidentally
C
Occasionally
D
Subsequently