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
Can you believe that in ____ a rich country there should be ___many people.
#92462
A
such, such
B
such, so
C
so, so
D
so, such
It will be a long time Mr Black back from abroad.
#94801
A
before;comes
B
since;has come
C
before;will come
D
after;will come
-I've left my watch in the hotel. -I ______ and get it for you
#91996
A
go
B
am going
C
am to go
D
will go
—Haven’t seen Lucy recently. What’s happened?—Oh, it’s more than two months ______ she worked here.
#92295
A
before
B
after
C
since
D
when