[ a, an, the, Zero Article ]
Mandela was imprisoned for ___ nearly 30 years for his anti-apartheid activities.
a. a
b. an
c. the
d. X [Nothing]

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Passive Voice of Tenses › ViewThe roof of the building … (damage) in a storm a few days ago.
A. has been damaged
B. is damaged
C. was damaged
Grammar › View
A ____ noun refers to more than one person, place, thing or idea.
A. singular
B. plural
C. compound
D. Non count
Grammar › ViewThe teacher _____ give homework on weekends.
A. Do
B. Does
C. Don’t
D. Doesn’t
Tenses › View
We didn’t recognize the man because he _____ sunglasses.
A. has worn
B. is wearing
C. was wearing