[ Modal Verbs for Speculation ]
They´re certanly not here now. They must ______________already
A. have left
B. have been leaving

Random Topics:
Present/Past/Past ParticpleInfinitives or GerundsLinkers and ConjunctionsSuffixes (ing-ed) SentencesMesopotamia VocabularyCountable and UncountableConditionals and Modals of ProbabilityAction vs Linking Verbs/ Verb Phrasesgoing toPresent simple or Past simpleOther quiz:
Conjunctions › ViewAlicia didn’t understand her homework, ___ she did her best.
A. but
B. or
C. yet
D. so
Sentence Labeling › View
Label the following sentence: “The custodian arrived and fixed the broken desk.”
A. Compound-complex
B. Simple
C. Complex
D. Compound
Prepositions › ViewThe computer is…..the table.
A. At
B. In
C. On
D. From
Grammar › View
Which of the following in an example of an interjection?
A. Sure
B. And
C. Oops!
D. Also
