Gaining the knowledge ________ environmental protection will help you to become a qualified environmentalist.
#18257
A
addicted to
B
concerned about
C
related to
D
appealed to
推荐题目
My grandfather is always thinking for others. In other words, he is always ____.
#59582
A
modest
B
cautious
C
considerate
D
considerable
There were no tickets __________ for Friday’s performance.
#19071
A
useful
B
available
C
helpful
D
reasonable
 Come on, Maria! You can also enjoy_______ you have been dreaming of if you don’t lose heart.
#18028
A
as convenient a life as
B
as a convenient life as
C
as a life convenient as
D
convenient as a life as