[ Morphology and Grammar ]
If the subject is singular, add _____ to the verb in the present tense.
A. -ing
B. -s
C. -ed
D. nothing
Select your answer:
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Grammar › ViewThis mammal has a trunk and tusks
A. bear
B. ram
C. elephant
Tenses › View
I _____ for the today’s exam. I was helping my mother yesterday.
A. am not preparing
B. don’t prepare
C. didn’t prepare
D. was not preparing