Câu hỏi: Choose the letter A, B, C or D the word that has the underlined part different from others.

A. charity

B. natural

C. classmate

D. exchange

Câu 1: Choose the letter A, B, C or D the word that has the underlined part different from others.

A. noise

B. reuse

C. house

D. because

Câu 2: Choose the letter A, B, C or D the word that has the underlined part different from others.

A. invite

B. refillable

C. environment

D. bin

Câu 3: Choose the letter A, B, C or D the word that has the underlined part different from others.

A. recycle

B. happy

C. study

D. windy

Câu 4: Choose the letter A, B, C or D the word that has the underlined part different from others.

A. polluted

B. uniform

C. reduce

D. reuse

Câu 5: Choose the letter A, B, C or D the word that has the underlined part different from others.

A. energy

B. environment

C. deforestation

 

Câu 6: Choose the letter A, B, C or D the word that has the underlined part different from others.

A. energy

B. president

C. electricity

D. decorate