问题
keep wasting so much energy, ________are that our oil wells will dry up and the environment will be destroyed.
A:problems
B:difficulties
C:questions
D:chances;
B:difficulties
C:questions
D:chances;
正确答案是：
同类题型
The Place Museum is ________. These foreigners are all _________ in it.
May I smoke in the room? –No, you______________. It’s a non-smoking room..
Traveling through Ashdown Forest is great fun.I will never forget _______experience.
What’s the matter— I got hit ____ the face.
The airport ______ next year will help promote tourismin this area.