_A container weighs more after air is put in, ____proves that air has weight.
#80057
A
as
B
it
C
that
D
which
推荐题目
_____more countries can use natural energy in the future remains to be seen.
#34676
A
Whether
B
This
C
who
D
If
________ the calculation is right, scientists can never be sure that they have included all variables and modeled them accurately.
#30263
A
Even if
B
As far as
C
If only
D
So long as
Don’t worry! All the problems will be settled ________ we join hands.
#30350
A
only if
B
if only
C
what if
D
even if
The dictionary doesn't belong to your brother ____, but it belongs to me.
#80076
A
and, me
B
or, yours
C
or , mine
D
and, yours
______ we have confidence and determination, we can win the match.
#30756
A
Once
B
Since
C
Unless
D
As long as