______ some teenagers don’t realize is _______ difficult life can be after they get addicted to drugs．
#33803
A
What, how
B
That, how
C
What, what a
D
That, what
推荐题目
Please call my secretary to arrange a meeting this afternoon, or ________ it is convenient to you.
#30284
A
whenever
B
however
C
whichever
D
wherever
28．She’ll never forget her stay there ________ she found her son who had gone missing two years before.
#79575
A
that
B
which
C
where
D
when
Yesterday we went to visit the farm ____ my father used to work for nearly ten years.
#33655
A
in which
B
that
C
where
D
which