Question

The following spelling rule explains that "hoping” is spelled “hoping” rather than "hopping or "hopeing.

Answer 1

Answer:

4. When the suffix begins with a vowel, drop the "e" on the main word and add the suffix.

Explanation:

The last one is the best answer because, it concisely discribes  the referenced spelling rule in relation to all situations rather than just the one given as an example.