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

A. what

B. wrap

C. when

D. with

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. survey

B. surfing

C. thursday

D. student

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

A. wrap

B. swap

C. ask

D. that

Câu 4: 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 5: 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 6: 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