giup minh vs

Choose the word having the underlined part pronounced differently in each line.

1 A.abundant B. travelling C. character D. biogas gach chan la: a nha

2A.diverse B. drive C. invention D.crime gach chan la: b

3A. prediction Bpoverty Cquestion D future gach chan la: t

4A. convenient B.social C.ocean D.special gach chan la:c

5A.designs B.sails Cpedals D.pollutes gach chan la:s

cam on cac ban rat la nhieu =)) thank you