[ Vocabulary ]
working to discover something
A. detecting
B. detecting
C. vary
D. unobserved

Random Topics:
1st ConditionalPerfect Progressive TensesPassive Voice Active VoiceNoun and PronounGrammar ClausesAdverbial Concession ClausesSynonym and AntonymSpeech TensesGrammar - Verb FormsConditional Sentence Type 1Other quiz:
Adverb Clause Connector › ViewThe ship leaving the dock even though some passengers were not on board.
A. Correct
B. Incorrect
Subordinating Conjunctions › View
Which word in this sentence is a subordinating conjunction?
Johnny ran ahead because he knew where to go.
A. because
B. where
C. he
D. Johnny
Indirect Speech › View“Jack wanted to watch the film yesterday,” Judy said.
=> Judy said that Jack … to watch the film the day before.
A. wants
B. wanted
C. has wanted
D. had wanted
Modal Verb › View
Sebas and I can watch __________ tonight.
A. TV
B. can
C. watch