The air in mountain areas is ____ that in big cities.
#19283
A
as fresh as
B
fresher than
C
as dirty as
D
dirtier than
推荐题目
2.Thanks to the satellites, football games come to us ____on TV.
#20944
A
1iving
B
1ively
C
alive
D
1ive
------I’d like to book a round- trip ticket.------Sorry, sir, but there are no tickets______ at the moment.
#19004
A
available
B
usable
C
suitable
D
comfortable
Your story is perfect; I’ve never heard _____ before．
#19237
A
a better one
B
the better one
C
the best one
D
a good one
After the long journey, the three of them went back home, ＿＿＿＿＿＿ .
#18876
A
hungry and tiredly
B
hungry and tired
C
hungrily and tiredly
D
hungrily and tired
To reduce emissions of greenhouse gases, many countries are increasing the use of natural gas, wind and other forms of _______ energy.
#17844
A
abandoned
B
original
C
alternative
D
precious