Read the following passage from "Every Man a King" I contend, my friends, that we have no difficult problem to solve in America, and that is the view of nearly everyone with whom I have discussed the matter here in Washington and elsewhere throughout the United States-that we have no very difficult problem to solve
Which phrase makes this passage sound colloquial?
A. no very difficult problem
B. I contend
C. my friends
D. elsewhere throughout the United States

What rule applies most closely to this word? predict- group i. if the root is a full word, the ending is usually -able. group ii. when the root is a full word except for a final e, the forms usually are spelled with -able. group iii. the suffix -able always follows i. group iv. when the root has other forms built on the letter a, the -able form is used. group v. when the root ends in hard c or hard g, -able is used. group vi. when the root is not a full word,-ible is used. group vii. when the word has an immediate -tion form, -ible is used. group viii. when the root ends in ns, miss, or soft c or g, ible is used.