Answer: The complete adverb clause is: If we sell our house
Explanation: An adverb clause begins with an adverb, has to count with a subject and a verb, and cannot be understood by itself. That is, you need to see the rest of the sentence in order to understand meaning. In this case, If ... house is the dependent clause because of the reason explained before (depends on the other clause to be clearly understood)
Answer: A, B , and D
Explanation: Assuming you're talking about the reading about someone's vacation, these are the correct answers.
Out of the two there are (from what I see) sweet would the the answer.
The answer for the blank is 'i'.