The days are gone________you can breathe fresh，unpolluted air or drink clean, unpolluted water in the countryside.
#75524
A
when
B
that
C
where
D
which
推荐题目
Although several months has gone by, Mary still has __________ memories of things and persons __________ she felt curious about at the wedding reception in Brunei.
#77391
A
equal, that
B
fond, /
C
worthwhile, whom
D
slight, which
I shall never forget those days ________ I stayed on the island ________ you visited last week.
#78251
A
when, where
B
which, which
C
when , which
D
which , where
—Why does she always ask you for help?—There is no one else , is there ?
#76332
A
who to turn to
B
for whom to turn
C
she can turn to
D
for her to turn
– When did you graduate from college?– It was in 2003 ____ you were in middle school.
#77000
A
that
B
when
C
which
D
then