Mark the letter A, B, C, or D on your answer sheet to indicate the word whose underlined part is pronounced differently from that of the rest in each of the following questions.

teaching /ˈtiːtʃɪŋ/                                                         

ache /eɪk/                    

architect /ˈɑːkɪtekt/                                                     

school /skuːl/

Phần gạch chân của đáp án A được phát âm là /tʃ/, còn lại phát âm là /k/.