___ we know, in a chemical change, energy cannot be created, ____.
#94863
A
Which, nor can it be destoyed
B
As, neither it can be destroyed
C
As, neither is it able to be destoryrf
D
What, nor is destoryed
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Oh, much smoke here! Somebody _______ the window, please.
#92205
A
opens
B
open
C
shall open
D
will open
It was in the beautiful park____was located by the sea____we first met our new Chinese teacher．
#94634
A
where; which
B
that; which
C
that; that
D
which; where
. Mary was only too ready to help others, seldom, _____, refusing them when they turned to her.
#93936
A
if never
B
if not
C
if any
D
if ever
.I was about to get on the bus __________my wife phoned me to back home at once.
#92719
A
when
B
while
C
until
D
after