ONE PROBLEM WITH ALL LANGUAGES . ...THEY ARE FULL OF IRREGULARITIE...

24. - NGAN HANG TRAC NGHIEM TIENG ANH 12DOC
NGAN HANG TRAC NGHIEM TIENG ANH 12DOC

24. One problem with all languages . ...they are full of irregularities.

A. when

B. so

C. in case

@D. is that