____ for a bus, I was reading a magazine.
#80373
A
While was waiting
B
While I waiting
C
While I am waiting
D
While waiting
推荐题目
To improne the pmlity of our products we uaked for nuggratior a had used the producu.
#34749
A
whacver
B
who
C
whichever
D
which
He’ll never forget the years _______ he studied in Oxford University.
#33993
A
where
B
on which
C
when
D
which