[ Modal Verbs for Speculation ]
I wonder why Luke didn´t hear the burglars enter his apartment. I guess he could ______at that time.
A. be sleeping
B. have been sleeping
Select your answer:

Random Topics:
Nouns - Word Form-IONPreposition and Preposition PhraseGrammar - Future ActionDegree of ComparisonUsed toPrepositions and ConjunctionsPast TensesTemporal Conjunctions and ConnectivesDo not- Does notWH Questions and Simple Past TenseOther quiz:
Vocabulary › ViewTo envy someone is to feel:
A. Contentment
B. Admiration
C. Jealousy
D. Trust
Grammar and Writing Skills › View
Choose the best thesis statement:
A. I will write about dogs
B. Dogs are interesting animals that people like
C. Dogs make excellent pets because they are loyal, protective, and loving
D. This essay is about why dogs are good
