__ we know, in a chemical change, energy cannot be created, ____.
#84563
A
Which, nor can it be destroyed
B
As, neither it can be destroyed
C
As, neither is it able to be destroyed
D
What, nor is destroyed
推荐题目
— Did you know any Chinese before you arrived in Beijing?— Never ________ it, actually.
#81039
A
had I learned
B
have I learned
C
I have learned
D
I had learned
“Never for a second,” the boy says, “______ that my father would come to my rescue.”
#81026
A
I doubted
B
do I doubt
C
I have doubted
D
did I doubt
The door opened suddenly and ____, laughing and shouting.
#81102
A
three boys coming in
B
come in three boys
C
in coming three boys
D
in came three boys
What would have happened ________,as far as up to the river bank.
#80114
A
Bob had walked farther
B
if Bob should walk farther
C
had Bob walked farther
D
if Bob walked farther
Beneath our feet_____ that our lives depend on for food and clothing.
#79901
A
lies the earth
B
lay the earth
C
the earth lies
D
does the earth lie
