1.
(2024七下·南山期末)
/ɪt ɪz ˈdeɪndʒərəs tʊ tʌtʃ ðə məˈʃiːn waɪl ɪt ɪz ˈwɜːkiŋ/
A . It is dangerous to tidy the machine while it is working.
B . It is dangerous to test the machine while it is working.
C . It is dangerous to touch the machine while it is working.