---How long have you been studying at this school? --- I have been studying here____.
#41315
A
since I was thirteen years old
B
when I was thirteen
C
at the age of thirteen
D
after I was thirteen
推荐题目
I’ll never forget the place _________ I visited nine years ago.
#68623
A
where
B
that
C
in which
D
what
Allow children the space to voice their opinions, ___they are different from your own.
#74651
A
until
B
even if
C
unless
D
as though
Great changes have taken place in that school. It is no longer _______ it was 20 years ago, _______ it was so poorly equipped.
#72182
A
what; when
B
that; which
C
what; which
D
which; that
Scientists still wonder ______ cloning will help or harm us and _____ it is leading us.
#68782
A
that; what
B
whether; where
C
if; that
D
whether; how