When people search for your client’s watch repair business, they use very specific terms like “vintage watch repairs”. To show your ads for these searches, you’ll want to use:

When people search for your client’s watch repair business, they use very specific terms like “vintage watch repairs”. To show your ads for these searches, you’ll want to use:

• Negative match keywords
• Broad match keywords
• Exact match keywords
• Phrase match keywords

Correct answer is:

• Exact match keywords

Explanation: When people search for your client’s watch repair business, they use very specific terms like “vintage watch repairs”. To show your ads for these searches, you’ll want to use“Exact match“keywords. A keyword setting that allows your ad to show only when someone searches for the exact phrase of your keyword or close variations of the exact phrase of your keyword. The exact match keyword “bicycle bell” can cause your ad to show only if someone searches for “bicycle bell” or close variations of “bicycle bell” exactly, with no other words.

Read more here: https://support.google.com/adwords/answer/2407781?hl=en