Chapter 4 No Littering

Match them

• Prevention

• The natural world, including land, water, air, animals, and plants, that needs to be protected.

• Pollution

• A series of organized activities to achieve a specific goal, often related to social or environmental issues.

• Littering

• The presence of harmful or unwanted substances in the environment that cause damage.

• campaign

• Actions taken to stop something from happening, such as stopping littering before it starts.

• Environment

• The act of carelessly throwing trash in public places instead of putting it in bins.

Sort them!

Groups:

(a) Organic waste

,

(b) Anorganic waste

• 
• 
• 
• 
• 
• 
• 
• 
• 
• 

Rearrange these words into correct question

• the

• waste

• easily?

• decompose

• Did

Rearrange these words into correct question

• do

• after school?

• they

• What

• did

Rearrange these words into correct question

• the volunteers

• clean

• did

• the river?

• When

Rearrange these words into correct question

• did

• ban

• the government

• Why

• plastic bottle?

Rearrange these words into correct question

• the students

• after finishing

• the beach clean-up activity?

• happy

• Were

What did you ​ (a)   during the environmental campaign? ​

• do

• did

• done

• does

• was

• were

Answer explanation

The correct choice is 'do' because the question is in the present tense, asking about actions taken during the campaign. 'Did' and 'done' are past forms, while 'does', 'was', and 'were' do not fit the context.

Where ​ (a)   they ​ (b)   the plastic bottles?

• did

• throw

• does

• throws

• thrown

• threw

• done

Answer explanation

The correct choices are 'did' and 'throw' because the question is in the past tense, asking about an action that has already occurred. 'Did' is the auxiliary verb for past tense, and 'throw' is the base form of the verb.

When ​ (a)   the clean-up activity ​ (b)   ?

• did

• start

• do

• were

• started

• done

• starts

Answer explanation

The correct choices are 'did' and 'start'. 'Did' is used to form a question in the past tense, while 'start' is the base form of the verb needed to complete the sentence. Together, they correctly ask when the clean-up activity started.