[ Grammar and Essay ]
A main idea is a … idea
A. supporting
B. principal
C. conclusion

Random Topics:
Mixed GrammarSimple and Progressive Verb TensesGrammar (Possessive Pronouns)Opinion / AgreementVocabulary and ModalsPassive Voice - Present TensesSimple Present and Past TensesVocab and GrammarArticles - rulesPast Simple and ContinuousOther quiz:
Grammar › ViewThere ______________ a movie theater next to the drugstore, but now there is a ten-story office building in its place.
A. used to be
B. used to being
C. was used to be
D. was used to being
Grammar › View
Would you mind ______ me a little later?
A. to call
B. if you call
C. calling
D. to calling
Phrasal Verbs › ViewI’m … cooperating with you on this project. It’s going to be so much fun working with you!
A. going through
B. ending up
C. looking forward to
Tenses › View
She _________ about her heavy workload.
A. complain
B. always complained
C. always complains
D. is always complaining
