If we keep wasting so much energy, ________ are that our oil wells will dry up and the environment will be destroyed.
#5745
A
problems
B
difficulties
C
questions
D
Chances
推荐题目
I wished to make a round-the-world tour by plane but I hadn't enough money to pay for the ___.
#7238
A
travel
B
trip
C
journey
D
tour
Many women work in big companies，but in the boardrooms of most big companies, women are in the _______.
#6560
A
scarcity
B
minority
C
majority
D
popularity
My watch is under______, so they’ll repair it for free.
#7263
A
protection
B
safety
C
guarantee
D
examination