[ Grammar ]
I ___ on this project for days without success.
a. have been worked
b. have been working
c. had being worked
Select your answer:

Random Topics:
Grammar- Later/LatterGrammar: MorphologyFragment, Comma Splice and Run -on SentencePerfect and Past TenseSimple, Compound, Complex SentencesGerund - to Infinitive Nouns & PronounsPoetrySimple Verb TensesVerbs + Gerund or InfinitiveOther quiz:
Word Formation › ViewIf you study harder, you can __________in EOM exam.
A. succeed
B. success
C. successful
D. unsuccessful
Grammar › View
Choose the correct sentence.
A. This is oranges
B. This is a orange
C. These are an orange
D. This is an orange
