[ Vocabulary ]
Running a clandestine operation-such as an underground newspaper in a dictatorship, a network of spies, or an undercover police investigation-is difficult and often highly dangerous. What does clandestine mean?
A. Important
B. Expensive
C. Legal
D. Secret

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Expressing Obligation and ModalsVerb to haveVerb PhraseSubjective and Objective PronounGrammar and Passive VoicePrepositions Of PlaceInfinitives and GerundsPreposition FormTenses of VerbsConditionals and Modals of ProbabilityOther quiz:
Tenses › ViewJennifer ______ in showbiz since she got married to a rich man in the UK.
A. didn’t work
B. hasn’t worked
C. won’t work
D. isn’t going to work
Modal Verbs › View
She _____ have gone to the party, but I am not sure.
A. might
B. must
C. would
D. shall