He doesn’t have ____lunch at home.
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We need two ____to repair the table.
A. block of woods
B. blocks of wood
C. block of wood
D. blocks of woods
We know ____doesn’t travel so fast as light.
A. sound
B. sounds
C. a sound
D. the sound
There are sixty ____in our school.
A. woman teacher
B. women teachers
C. woman teachers
D. women teacher
Miss Smith is a friend of_____.
A. Mary’s mother’s
B. Mary’s mother
C. mother’s of Mary
D. Mary mother’s