[ Modal Verbs ]
There’s no sign of the dog anywhere. Someone________________________ it out.
A. must have let
B. is bound to have let

Random Topics:
Active & PassiveSimple Present ProgressivePhrasal Verb With TakeTenses and StructuresFuture TensesAspect or tenses of VerbsVocabullary TestTOEFLPast Perfect TenseCity PlacesOther quiz:
Past Tenses › ViewJulia wanted to sit down as she … (stand) at work all day long.
A. was standing
B. stood
C. had stood
D. had been standing
Grammar › View
We ______________ at a lovely cafe on our way home.
A. did stop
B. stoped
C. are stopping
D. stopped
Grammar & Vocabulary › ViewThere are lots of schools in the world ……….don’t have water or electricity.
A. who
B. which
C. where
D. why
Comparative Adjectives › View
Which adjective word has two syllables?
A. beautiful
B. kind
C. terrible
D. pretty
