In a physical change no new substance is formed，__________ in the composition of matter.
#79521
A
nor does any change take place
B
nor any change takes place
C
not any change takes place
D
either any change takes place
推荐题目
So suddenly ________that the animals in the zoo looked very frightened during the total solar eclipse (日全食)．
#81424
A
did the sky turn dark
B
the sky did turn dark
C
turned the sky dark
D
was the sky turned dark
— Are you going there with us? — If Mary wants to go, __________.
#82827
A
I also go
B
so do I
C
so I will
D
so will I
We got in my father's car and headed straight home and__________,I surely would have been stuck in the station for several days.
#79864
A
had I not
B
did I not
C
if I didn't
D
if I had
The experiment shows that proper amounts of exercise, if _______ regularly, can improve our health.
#80275
A
being carried out
B
carried out
C
carrying out
D
to carry out
—Are you a volunteer now?—No, but I _____. I worked for the City Sports Meeting last year.
#81899
A
used to
B
used to be
C
used to do
D
was used to