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
推荐题目
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
Eleven people got killed in the accident, ________ the identities haven't been available.
#67180
A
whose
B
of whom
C
to whom
D
with whom
