I _____________ to repair the lock on our door for the last four hours without any success.
A. am trying
B. tried
C. have tried
D. have been trying

Random Topics:
SubjunctiveIf ConditionalsModals - Conditionals - Future TensesVerb BEIdentifying Sentence TypesSimple Present - WH QuestionsPresent simple, Present continuous, Singular, PluralPhrasal Verb and Modal-ing &-ed AdjectivesSimple Present Tense with Adverb of FrequencyOther quiz:
Grammar › View“I will call you”. I told her that I ________ her.
A. will call
B. Would call
C. would have called
Grammar › View
What is the best way to define a run-on sentence?
A. a group of words that express a complete thought
B. a group of words that includes multiple complete sentences but is missing proper punctuation
C. a group of words that does not express a complete thought and is usually missing a subject or verb
Grammar › ViewWhat kind of figurative language is used in the following sentence:
The tree branches danced in the wind.
A. simile
B. hyperbole
C. personification
D. metaphor
Tenses › View
We…………each other two years ago.
A. Love
B. Be loving
C. Are loved
D. Loved