Instead of staying the same every day, Mary’s working hours are       .
#18682
A
limited
B
available
C
valuable
D
flexible
推荐题目
As we have known from the map of the world,this is ________.
#19049
A
twice as large an island as that
B
twice as large as that island
C
as twice large as that one
D
twice as a large island as that
Having never met with such a _____ problem, he felt _____ and didn’t know how to solve it.
#19259
A
puzzling; puzzled
B
puzzled; puzzling
C
puzzling; puzzling
D
puzzled; puzzled
She is an American,but she likes learning Chinese.She says Chinese is ________ English. 
#17748
A
as popular a language as
B
so popular a language as
C
as a popular language as
D
so a popular language as