Select the most appropriate indirect form of the given sentence.

Frank said to Albert, “ How is your search for a new house coming along?”

Frank asked Albert how his search for a new house was coming along.

The most appropriate indirect form of the given sentence is:

Frank asked Albert how his search for a new house was coming along.

The other answer choices are incorrect for the following reasons:

• Frank asked Albert how is your search for a new house coming along. - This is incorrect because the tense of the verb in the subordinate clause is not correct. It should be "was coming along" instead of "is coming along."
• Frank asked Albert how was your search for a new house coming along. - This is incorrect because the tense of the verb in the subordinate clause is not correct. It should be "was coming along" instead of "was."
• Frank wanted to know how was Albert’s search for a new house coming along. - This is incorrect because the verb "wanted to know" is stronger than the verb "asked." It is generally better to use the verb "asked" when reporting a question.