We all know that paper burns in  _________ .
#34913
A
CO2
B
N2
C
O2
D
CO
推荐题目
Having ________ exercise every day will do great good to your health.
#18588
A
a great many
B
plenty of
C
a great deal
D
a great number of
________ information! I hear you have finished writing a ________ report.
#34901
A
What an excited; seven thousand word’s
B
What excited; seven thousand words
C
What an exciting; seven-thousand-word
D
What exciting; seven-thousand-word
mith bought a___purse for his wife. 
#20694
A
small black leather
B
black leather small
C
small leather black
D
black small leather