He was seriously injured last week and that’s _______ he didn’t participate in the competition. 
#79363
A
when
B
how
C
why
D
what
推荐题目
As we know, big cities are good opportunities lie.
#79507
A
what
B
the place which
C
where
D
in which
I don’t know________made Gong Li become an outstanding superstar at home and abroad.
#79450
A
what was it that
B
what it was that
C
that was it what
D
that it was what