___ 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
推荐题目
The police are looking for a missing boy who is believed ______ a white pullover and blue jeans.
#92899
A
wearing
B
to wear
C
to be wearing
D
having worn
----- What was the party like? ----- Wonderful . It is years ______I enjoyed myself so much.
#92658
A
since
B
before
C
after
D
when
The snow is so deep. We can hardly get out of the house, ______?
#93134
A
mustn’t we
B
must we
C
can’t we
D
can we