Which of the following does paper burn in?
#42781
A
CO2
B
N2
C
He
D
O2
推荐题目
―Where is my ticket? I looked for it for a long time.―It’s in your hand____________. 
#43036
A
all the time
B
at the same time
C
at times
D
every time
The girl saves money  ____________ help the poor in need of food .
#40775
A
so that
B
in order that
C
in order to
D
in order
—______ do you go to the school library?—Often. I like reading there.
#40347
A
How many
B
How much
C
How often
D
How long
—Where are the koalas are from? — ____________.
#39153
A
China
B
Australia
C
Japan
D
South Africa