[ Vocabulary ]
a substance used to keep people from getting a disease
A. protect
B. symptom
C. vaccine
D. virus
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Present Perfect vs Past Simple TensePrefixes SuffixesMixed GrammarPresent, Past, Present Perfect and ComparativePronouns ( Interrogative )Stative Verbs and TensesAuxiliary WordsGrammar, Literature, and VocabularyTenses UsageRegular Plural NounsOther quiz:
Simple Present Continuous Tense › ViewWhich sentence is correct?
A. Mahdi is running.
B. Mahdi are running.
C. Mahdi am running.
Present Tenses › View
____ you _______ (feel) okay? You look pale.
A. Are….feeling
B. Are…. feel
C. Do….feeling
D. Does….feel
Grammar and Vocabulary › ViewThe detective hid _______________ a tree and watched the lady whom he was following.
A. over
B. inside
C. behind
D. between
Grammar › View
-Excuse me? How much _____ the dress _____? ( to cost )
-20 dollars, ma’am.
A. does ____ cost
B. costs
C. will cost
D. has been costing