I’m tired. I _____ the house since 9 this morning.
A. am cleaning
B. was cleaning
C. had been cleaning
D. have been cleaning

Random Topics:
Present/Past/Past ParticplePresent/Future/Past Simple/Present PerfectVerb Tense, Pronouns and AntecedentsArticle & PrepositionComparative AdverbsTo infinitive - GerundVerbs and AdverbsMaritime Vocabulary and GrammarQuantifiers & Modals of ObligationPast Tense and Perfect TenseOther quiz:
Temporal Conjunctions and Connectives › ViewTemporal connectives are typically used to…
A. Combine two clauses within one sentence.
B. Show the sequence of events in a story or explanation.
C. Express a contrast between two ideas.
D. Ask a question.
Homonyms › View
This interview will put equal ___ on the content of your responses and your poise.
a. wait
b. weight
My brother is clever ……. tall.
A. and
B. or
C. but
Comma › View
Which sentence is written correctly?
A. The busy servers took orders and delivered meals to hungry customers.
B. The busy servers took orders, and delivered meals to hungry customers.
C. The busy servers, took orders and delivered meals to hungry customers.
D. The busy servers, took orders and delivered meals, to hungry customers.
