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

A. effect

B. pollution

C. invite

D. charity

Câu 2: 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 3: Choose the letter A, B, C or D the word that has the underlined part different from others.

A. reuse

B. refill

C. recycle

D. level

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

A. fasten

B. daddy

C. backpack

D. water

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

A. deforest

B. pollution

C. decorate

D. polite

Câu 6: 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