_______ laws of motion are simple, motion, as we see it in the world about us, certainly is not.
#34130
A
When
B
While
C
As
D
Even
推荐题目
A housing bubble is an economic situation _____ occurs when house prices rise much too fast.
#31050
A
which
B
where
C
what
D
why
Word came, as expected, ______ college entrance English exam will be reformed soon.
#30093
A
it
B
what
C
which
D
that
This building is both a secret and a mystery. No one shall be admitted into it ______ he can give the right password.
#32225
A
if
B
as
C
since
D
unless