Topics: Present Perfect Continuous
I _______________ been ____________ the doorbell for ten minutes. I wonder if anyone is at home.
A. have…ringing
B. has…ringing
C. have…rung
D. has…rung
Select your answer:

Random Topics:
Adverb Identification, Function, and FormationIndefinite and Definite ArticlesPresent or Past TensesGrammar and AdverbsSubordinating Conjunctions and Complex SentencesInterrogative PronounsThird ConditionalsFuture Tense and ConditionalsFragment, Comma Splice and Run -on SentenceVerbal and Appositive PhrasesOther quiz:
Tenses › ViewIdentify the verb tense in the following sentence: They have been waiting for hours.
A. Present Perfect Continuous
B. Future Perfect
C. Past Continuous
D. Present Simple
Grammar › View
The stories ………………………… Tom tells are usually very funny.
A. when
B. which
C. where
D. who
