Question 1: Choose the most suitable word to complete the text.

• much

• more

• little

• less

Question 2: Choose the most suitable word to complete the text.

• energy

• electricity

• water

• time

Question 3: Choose the most suitable word to complete the text.

• when

• what

• how

• while

Question 4: Choose the most suitable word to complete the text.

• ways

• sides

• parts

• points

Question 5: Choose the most suitable word to complete the text.

• reusing

• reducing

• recycling

• reacting