______ is often the case in science, there is no simple answer
#31110
A
That
B
As
C
When
D
Where
推荐题目
You have failed two tests.You’d better start working harder,_______ you won’t pass the course.
#79810
A
and
B
so
C
but
D
or
I’ve been away for only three years, _____ I can hardly recognize my hometown
#30114
A
so
B
or
C
for
D
yet
_____more countries can use natural energy in the future remains to be seen.
#34676
A
Whether
B
This
C
who
D
If
(2013·辽宁五校联合体第一次考试)What impresses me most is ________ he appears in front of others, he wears a sincere and charming smile.
#30423
A
what
B
which
C
that where
D
that whenever