If clauses+ nature

If human beings go on modifying the environmental cycles, they ______ the ability of ecosystem to provide benefits to humans

• would stop

• will stop

• stopped

• will stops

Tags

CCSS.L.3.1E

CCSS.L.4.1B

CCSS.L.5.1.B-D

CCSS.L.5.1C

CCSS.L.5.1D

If we stopped this natural insulation, the Earth's surface _______ much colder than it is now.

• would be

• will be

• is

• was

Tags

CCSS.L.2.1F

CCSS.L.8.1C

CCSS.L.8.3A

We would find more trees like these everywhere if we _______ common sense.

• uses

• would use

• will use

• used

Tags

CCSS.L.2.1F

CCSS.L.8.1C

CCSS.L.8.3A

If we __________ our habits , we won't save our planet.

• don't change

• doesn't change

• will change

• would change

Tags

CCSS.L.2.1F

CCSS.L.8.1C

CCSS.L.8.3A

If you think our radiation is low, you _________wrong!

• are

• were

• was

• is

Tags

CCSS.L.2.1F

CCSS.L.8.1C

CCSS.L.8.3A

If we ________ polluting the atmosphere with greenhouse gases,it causes very dangerous effects on the Earth.

• carries on

• carried on

• carry on

• would carry on

Tags

CCSS.L.2.1F

CCSS.L.8.1C

CCSS.L.8.3A

Many wildlife habitats will be destroyed if man  _______ polluting the environment.

• keep

• keeps

• kept

• would keep

Tags

CCSS.L.2.1F

CCSS.L.8.1C

CCSS.L.8.3A

If the global temperature _______ , sea levels rise too.

• will rise

• rise

• will rise

• rises

Tags

CCSS.L.2.1F

CCSS.L.8.1C

CCSS.L.8.3A

If we dump all sorts of chemicals into rivers, we _________ swim in them in the future.

• were be able to

• wouldn't be able to

• won't be able to

• are able to

Tags

CCSS.L.4.1C

CCSS.L.9-10.1B

People ___________ drinking water one day if they  don't use it more rationally.

• will run out of

• ran out of

• will ran out of

• would run out of

Tags

CCSS.L.3.1E

CCSS.L.4.1B

CCSS.L.5.1.B-D

CCSS.L.5.1C

CCSS.L.5.1D