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
What was considered impolite years ago has become ________now.
#18049
A
accessible
B
adjustable
C
unbelievable
D
acceptable
Tom is _______ learning English. To learn it well, he abandons all his hobbies.
#19039
A
bound to
B
desperate to
C
bent on
D
accustomed to
Your suggestion on how to improve English writing ability is too general. Could you make it more _______?
#18488
A
special
B
particular
C
specific
D
positive
This is ___ __ boy. That girl is _______.
#34975
A
an 8-year-old；6 years old.
B
an 8-years-old；6 years old
C
an 8-year-old；6-year-old
D
a 8-year-old； 6-year-old