It’s necessary for human beings to breath _______ and plants can produce it.
#17259
A
CO2
B
H2
C
O2
D
N2
推荐题目
At _______, we eat rice dumplings and on _______, we eat Turkey.
#17228
A
Dragon Boat Festival, Thanksgiving Day
B
National Day, Halloween
C
Chinese New Year, Christmas
D
Mid-Autumn Festival, Thanksgiving Day
Amy has just found a wallet lying on the ground. Can you find the correct sentence element(句子成分) of the underlined words in the sentence?
#17226
A
object complement
B
predicate
C
attributive
D
adverbial