1) a complain b to complain c complaining 2) a gamble b to gamble c gambling 3) a lend b to lend c lending 4) a go b to go c going 5) a feel b to feel c feeling 6) a do b to do c doing 7) a do b to do c doing ДАЮ 10 БАЛОВ
1) complaining (C) 2) gambling (C) 3) to lend (B) 4) going (C) 5) feel (A) 6) to do (B) 7) to do (B)