[ Present Perfect Tenses ]
I ______ my homework already.
A. do
B. did
C. have done
D. am doing

Random Topics:
Verbal CommunicationSuffixes (ing-ed) SentencesTOEFL Grammaras...as, comparatives, superlativesContrast Linking WordsVerbals and GerundsSentences Function and StructurePast Simple, Present Perfect TenseGerunds & Infinitives + VocabularyAdverb of Frequency and TensesOther quiz:
Modal Verbs › View. Take an umbrella. It ______ rain later.
A. Will
B. May
C. Should
Grammar › View
He’s tired _____ he stayed up late watching TV.
A. as
B. even though
C. in order that
D. so that
Prepositions › ViewHe is expert ___ science
A. at
B. on
C. in
D. for
Continuous Tenses › View
Next weekend, we …. a barbecue party at my house.
A. will have
B. will be having
C. are having
D. were having
