Topics: Subject Verb Agreement
The concert tickets (has/have) been sold out.
A. were
B. is
C. has
D. have
Select your answer:

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Grammar and Writing Skills › ViewWhich is the best source for a research paper?
A. A random blog
B. A peer-reviewed article
C. Social media posts
D. An advertisement
Grammar › View
There are ….. in the house.
A. mice
B. mouse
C. mouses
