If we keep wasting so much energy, _____are that our oil wells will dry up and the environment will be destroyed.
#7198
A
problems
B
difficulties
C
questions
D
chances
推荐题目
Jim was late for two classes this morning. He said that he forgot both of the ______.
#7415
A
rooms’ number
B
room number
C
room’s numbers
D
room numbers
Four years had passed, and I found Mary had_____.
#7203
A
little white hair
B
some white hair
C
much white hairs
D
a few white hairs