If water becomes increasingly scarce in decades ________， water shortage will become a hot issue all over the world.
| A．coming | B．having come |
| C．to come | D．to be coming |
相关知识点
推荐试卷
If water becomes increasingly scarce in decades ________， water shortage will become a hot issue all over the world.
| A．coming | B．having come |
| C．to come | D．to be coming |
试题篮
()
粤公网安备 44130202000953号
