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choose the correct forms of the plural.
1. their friend is a dentist.
a) their friends were dentists.
b) their friends are dentists.
c) their friend was a dentist.
d) their friends is dentists.
2. that was an article.
a) that was articles.
b) those was articles.
c) those were articles.
d) these were articles.
3. this is a clip.
a) those were clips.
b) those are clips.
c) these are clips.
d) this are clips.
4. he was a teacher.
a) they were teachers.
b) they are teachers.
c) we are teachers.
d) you are teachers.
5. your daughter is a pupil.
a) their daughter is a pupil.
b) your daughters are pupils.
c) your daughters are a pupil.
d) their daughters are pupil.