Carbon dioxide(CO2)_______ from burning fuels is the most common of the so-called greenhouse gases.
#91467
A
producing
B
having been produced
C
to be produced
D
produced
推荐题目
It is just _______ much a competition among countries to host the Olympics as ______ an Olympic medal.
#96300
A
as ; to win
B
as; winning
C
so; to win
D
so; winning
People in Nome all had diphtheria, a disease that spreads very fast. If ________, it would produce a powerful poison that would kill the patient.
#95630
A
untreating
B
to untreat
C
untreated
D
untreat
Among the most important questions the journalists wanted _____was how Greece could overcome economic crisis ?
#97217
A
to answer
B
being answered
C
answering
D
answered
to take my English textbook, I had to borrow one from a schoolmate.
#94330
A
Forget
B
To have forgotten
C
Forgotten
D
Having forgotten
A fire broke out in the building at about 7 on Tuesday morning, _____ in the death of a young girl.
#92559
A
having resulted
B
resulted
C
being resulted
D
resulting