[ 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:
Grammar › ViewWhich of the following is the correct contraction for the phrase below? I had
A. I’d
B. I’ha
Adverbs, Prefixes, and Suffixes › View
Add the prefix ‘re-‘ to the word ‘write’ to form a new word.
A. rewrited
B. rewrote
C. rewritten
D. rewrite
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