语法词汇练习 语法大全 语法详解 英语听力 
_A container weighs more after air is put in, ____proves that air has weight.
#80057
A
as
B
it
C
that
D
which
下一题
推荐题目
Schools in the south tend to be better equipped，_______those in the north are relatively poor.
#80045
A
while
B
since
C
when
D
as
I hate traveling by air ______ you usually have to wait for hours before the plane takes off.
#31027
A
because
B
though
C
until
D
unless
______ is often the case in science, there is no simple answer
#31110
A
That
B
As
C
When
D
Where
 Would you be ____ kind as to step this way, please?
#34198
A
as
B
so
C
very
D
too
 Accurately, my granny has got no hobbies at all ______ you think watching TV as one.
#31275
A
if
B
while
C
after
D
unless