問題詳情
【題組】24. By 2050, there will be 9 billion people in the world. They will need water to drink, to grow crops,and _____. Some areas of the world are drying up. A drier planet and more demand mean it is vitalto use water wisely.
(A) making energy
(B) to make energy
(C) that makes energy
(D) make energy
參考答案
答案：B
難度：非常簡單0.941176
統計：A(0),B(16),C(0),D(1),E(0)