It is well known to all that water, ______ enough, can change into ice quickly．
#93753
A
if cooling
B
though to be cooled
C
when cooled
D
when is cooled
推荐题目
13. It’s already 9 o’clock and Mother _____ step in any moment.
#93824
A
probably
B
is possible
C
is likely to
D
is probable to
He made another wonderful discovery, ______ of great importance to science.
#93713
A
which I think is
B
which I think it is
C
which I think
D
I think which is
Thomas _____ in inventing many electrical machines
#93754
A
was successful
B
succeed
C
was success
D
successes
Let those in need________that we will go all out to help them.
#91949
A
to understand
B
understand
C
understanding
D
understood