In my opinion, we need to begin ______ we stopped yesterday to ensure we won’t miss anything.
#67645
A
when
B
where
C
how
D
what
推荐题目
There are 104 elements found in nature, ___ are metals.
#71700
A
most of it
B
that
C
most of which
D
mostly
Living in the mountain area has its problems , _____ obtaining water is a big problem.
#67011
A
of which
B
for what
C
as
D
whose