Awfully vs. horribly

[Regina]

Test No. incompl/elem-26 "The Bells", question 2

I'm ......... sorry I can't hear a word you're saying.

(a) horribly
(b) considerably
(c) definitely
(d) awfully

Test No. incompl/elem-26 "The Bells", answer 2

I'm awfully sorry I can't hear a word you're saying.

Correct answer: (d) awfully

Your answer was: incorrect
I'm horribly sorry I can't hear a word you're saying.
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Why the word horibly doesn't fit in here?

Regina

[Torsten]

I'm awfully sorry means I'm very sorry. You can also say I'm terribly sorry. Horribly doesn't work because it's not used in this set phrase with the word sorry.
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Test Of English for International Communication
TOEIC Preparation & TOEIC Vocabulary

[Blazya]

what does mean a set phrase, how i can learn to identify this kind of words, set phrases, idiomatic expressions, compund nouns, etc, etc,?

[Misskhan]

Dear Mr. Torsten
would you plz explain why we can't considerably instead of awfully. If I am not wrong awfully means "badly"(isn't it).
it's confusing me plz explain why considrably not?
thanx
misskhan

[Chanda]

Dear Torsen
what this awfully means.its really very bad taht i got 3 out of 10 i was tooo busy in may work so that i became so bad in english help me..............

[Durra]

dear, alan..
what is wrong if i used definitely for that question?? explain please..