Answer:
>Question (7)-A sentence
>Question (8)-A fragment
>Question (9)-A fragment
Explanation:
>Question 7- (The dog barked wildly at the motorcycle) has a Noun, (the dog) a verb, (barked) and an object (the motorcycle). These components make up a basic sentence.
>Question 8- (When the girl went fishing) this is a dependent clause, this fragment depends on another clause to give it meaning in order to be a complete sentence.
>Question 9- (Because the bananas were not ripe) This fragment starts with "Because" and does not include a comma to further explain what has happened "because the bananas were not ripe".