We can get fresh water from rain, from rivers...

We can get fresh water from rain, from rivers, or from ________ the ground.

A. across           B. under                C. over             D. off

九年级英语单项填空简单题查看答案及解析

We must do everything we can 　　　　 waste water from running into rivers.

A.keep B.kept C.to keep D.keeping

九年级英语单选题中等难度题查看答案及解析

(2016•盐城市)We must do everything we can ______waste water from running into rivers .

A.prevent B.prevented C.preventing D.to prevent

九年级英语单选题简单题查看答案及解析

We must do everything we can 　　　　 waste water from running into rivers.

A. keep　　 B. kept　　 C. to keep　　 D. keeping

九年级英语单项填空中等难度题查看答案及解析

(2016•盐城市)We must do everything we can ______waste water from running into rivers .

A. prevent　　 B. prevented　　 C. preventing　　 D. to prevent

九年级英语单选题简单题查看答案及解析

We can't live ______ air or water.

A.with B.without C.in D.from

九年级英语单选题中等难度题查看答案及解析

Acid rain comes from _____.

A. the river   B. the water   C. the clouds   D. the forests

九年级英语单项填空中等难度题查看答案及解析

To get enough fresh water, people remove salt _____ sea water in some areas.

A.into B.from C.above D.against

九年级英语单选题中等难度题查看答案及解析

We are now short 　　　　　 fresh water. Something must be done to prevent people　　　　　 polluting it.

A. of；from　　　　　　　　　 　　　　　　　　　 B. for；from　　　　　　　　　 　　　　　　　　　 C. of；to

九年级英语单项填空简单题查看答案及解析

We must take action _________ waste water from running into rivers.

A. keep　　 B. kept　　 C. to keep　　 D. keeping

九年级英语单选题中等难度题查看答案及解析