[ 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:
Modals › ViewIt’s Sunday! We _______get up at seven
A. shouldn’t
B. mustn’t
C. can’t
D. don’t have to
Grammar and Vocabulary › View
David ________ his office at 6 o’clock this evening.
A. leaves
B. did leave
C. left
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
