[ Grammar ]
An angry and complaining customer is…?
A. Always right
B. Always a customer
C. Most probably lying
D. Always using offensive language

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Grammar - Present PerfectBe used to vs used toQuestion TagGrammar - Compound SentencesPhrasal Verb Put & GoGrammar SuffixesDependent ClausesGrammar Error Correction (Simple Present Tense)How often - long - much - manyGrammar: Imperative and Exclamatory SentencesOther quiz:
Prepositions › ViewThey invited us … dinner.
A. in
B. for
C. at
Grammar › View
They __________ us that we were wrong.
A. convinced
B. persuaded
C. both
There was _____ when the fire suddenly broke out.
A. confuse
B. confusion
C. confusing
D. confused
Vocabulary › View
A person who betrays a friend, country, principle, etc.
A. Civilized
B. Traitor
C. Snippet
D. Catastrophe