An agreement question tests whether a verb matches its subject as one thing or more than one. First, sort the verb forms by number, even if they differ in tense. Then find the true subject by asking who or what the verb belongs to and setting aside phrases that begin with of. A singular subject needs a singular verb, and a plural subject needs a plural verb. Check with it or they, rather than matching the verb to the nearest noun.
Hints
- Hint 1
Start with the words before the blank. Which word is the subject, and which words tell you more about it?
- Hint 2
Set aside the phrase beginning with of. Then use it or they to check the number of the remaining subject.
Step-by-step
Sort, find the subject, and match
Step 1Sort the verb forms by number
The blank before accompanied by an interactive digital tour needs a form of be that matches the subject. How do the choices sort by number? The forms are, were, and have been all work after they, so these forms need a plural subject.
- Step 2
Find the true subject
What gets accompanied by a tour? Cross out of the museum’s new exhibitions, which tells us which group we're talking about but isn't the subject. The word left at the start is Each, which means each one taken alone. The true subject is singular, even though the museum has several new exhibitions.
- Step 3
Check the match with it
Replace Each with it and test the forms in the short phrase it _____ accompanied. Which form completes it? It are, it were, and it have been don't fit a singular subject, while it is accompanied does. That gives us is, the singular form the subject needs. Choice A.