[ Mix-Tenses ]
Mary _______ Mr. Clive for a long time.
A. has known
B. is knowing
C. knows
D. had known
Random Topics:
Modal PerfectIdiom and TensesRelative Clauses & Real ConditionalsAdverbial Concession ClausesLinking WordsNoun PhrasesSimple and Compound SentencesVerb + PrepositionAuxiliary Verbs & Question TagsGerund after Prepositions and Certain VerbsOther quiz:
Grammar › ViewGo back
A. To return to a place where you have been before
B. To wake up
C. To investigate information on internet, books, etc.
D. To be careful
General Knowledge › View
Which product is petroleum NOT used for…
A. Aluminum Cans
B. Plastic bags
C. Gasoline
D. Wax
________ for us?
A. Is Antonio wait
B. Is Antonio waiting
C. Is waiting Antonio
Grammar & Vocabulary › View
Water _____________ essential for life on Earth.
A. is
B. are
C. was
D. were