[ Tenses ]
I ________ many white-collar jobs since it appeared.
A. had threatened
B. has threatened
C. threatened
D. will threaten

Random Topics:
Verbs & Phrasal VerbsUnscramble SentenceGrammar - Present PerfectMixed ConditionalsHave as verb and auxiliaryLinking VerbsAdverb ClausesTenses & PrepositionIdentifying Sentence TypesRegular Plural NounsOther quiz:
Grammar › ViewIs Ilah … ?
A. a friend of yours
B. a your friend
C. your friend
Prepositions › View
Were you ________ Tom’s party last night?
A. IN
B. ON
C. AT
I am waiting for you
A. Present Perfect
B. Present simple
C. Present Perfect Continuous
D. Present Continuous
Irregular Verb › View
I … (see) you walking down the hill yesterday morning.
- seen
- saw
- see
