I ______ (work) on this report for the last few hours, and it’s almost done now.
A. worked
B. have worked
C. have been working
D. am working

Random Topics:
Grammar: Used to, Would, Be used to, Get used toPassive Voice - Present ContinuousSpeculation with Modal VerbsGrammar - NounsVerbal and Appositive PhrasesAuxiliary and Modal VerbsPunctuating ClausesVerb to Be Tenses & Object PronounPresent Simple Tense PassiveCountable Vs Uncountable NounsOther quiz:
Adverbs › ViewWhich sentence correctly uses an adverb of time?
A. They sang beautifully.
B. I have never been there.
C. I will meet you tomorrow.
D. She smiled warmly.
Proverbs › View
If you keep trying, you will succeed at the end.
As the saying goes ________.
A. the pen is mightier than the sword
B. practice makes perfect
C. one good turn deserves another
Prepotitions › ViewWhere is the black sheep?
A. above the white sheep
B. in front of the white sheep
C. among the white sheep
Modals for Advice, Obligation/Prohibition, Necessity and Lack of Necessity › View
In which sentence can’t you substitute must with have to?
A. You must register online before you can make a purchase.
B. I haven’t seen my grandma since Christmas. I must see her soon.
C. You must answer all the questions on the test.
D. Claire must wear glasses for driving.
