[ Present Perfect ]
Bob and George have ______________ their homework.
A. done
B. do
C. did
D. doing
Select your answer:

Random Topics:
Past Simple VerbsGrammar - too & enoughPronouns ( Interrogative )Vocabulary and UsageFirst Conditional SentenceAuxiliary ModalPresent Simple and Modal VerbsVerb Present Simple TenseAdjectives and AdverbsPresent simple or Past simpleOther quiz:
Grammar › ViewI have to go now. I _____ be late for work.
A. have to
B. mustn’t
C. must
D. need to
Sentence Structure › View
What does a compound sentence consist of?
A. A single independent clause
B. Two independent clauses
C. An independent clause and one or more dependent clauses
D. Two dependent clauses
