[ Tenses ]
I lost my phone when I _____ in the park yesterday.
A. am walking
B. walks
C. walked
D. was walking
Select your answer:
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Grammar › ViewTake an umbrella with you. You _____need it.
A. may
B. should
Grammar: Morphology › View
Refers to the main word that others are built from using prefixes and suffixes.
A. affix
B. prefix
C. suffix
D. root or stem