As there is less and less coal and oil, scientists are exploring new ways of making use  of ______________   energy, such as sunlight, wind and water for power and fuel.
#18252
A
abrupt
B
alternative
C
authentic
D
abstract
推荐题目
_____box cannot be lifted by a boy of five. 
#20746
A
So a heavy
B
So heavy a
C
A such heavy
D
Such heavy a
________, he stopped working to have some snacks.
#19048
A
Tired and hungry
B
Tiredly and hungrily
C
To be tired and hungry
D
Been tired and hungry
John is taller than ____ in his brother Tom’s class.
#18511
A
any other boy
B
all other boys
C
any boy
D
everyone