A 7-year-old boy received an operation on Tuesday successfully _______ he has many other health problems.
#67671
A
since
B
however
C
though
D
therefore
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I kept looking at the man wearing a pair of glasses, wondering ________.
#70383
A
whether did I borrow his book
B
where I had seen him before
C
what I knew his wife
D
when had I helped him
Owen wouldn't eat anything ________ he cooked it himself.
#67454
A
until
B
since
C
unless
D
while
The music ______ she is dancing sounds beautiful.
#70198
A
by which
B
to which
C
with which
D
at which