Q.Scarcely had Lee left the office building,_____________
1.but his boss called him in
2.than when his boss was calling him back
3.when his boss called him back
4.then his boss called him back

• 3.When his boss called him back
• 10 years agoHelpfull: Yes(63) No(2)
• Ans: 3
  Reason: when sentence starts with- HARDLY / SCARCELY / BARELY ... then we use ........... ,WHEN to connect the sentence
• 8 years agoHelpfull: Yes(13) No(0)
• when his boss called him back
• 10 years agoHelpfull: Yes(4) No(2)
• 2.than when his boss was calling him back
  
  
• 10 years agoHelpfull: Yes(3) No(21)
• 3.when his boss called him back
• 10 years agoHelpfull: Yes(3) No(1)
• but his boss called him in
  
• 10 years agoHelpfull: Yes(3) No(9)
• Present Perfect. So, 3 is answer.
• 10 years agoHelpfull: Yes(3) No(0)
• 'scarcely, hardly, barely' takes 'when' while 'no sooner' takes 'than'.
• 7 years agoHelpfull: Yes(2) No(0)
• 3.when his boss called him back
• 10 years agoHelpfull: Yes(1) No(0)
• Here 'had' indicating that already task completed..so,more suitable is 'then' i.e.,option(4)..
  because after leaving the office building then his boss called him...i think so..
• 9 years agoHelpfull: Yes(1) No(0)
• 4) then his boss called him back
  here had means if
• 10 years agoHelpfull: Yes(0) No(3)
• 1.but his boss called him in
• 10 years agoHelpfull: Yes(0) No(15)
• 3.when his boss called him back
• 9 years agoHelpfull: Yes(0) No(0)
• when his boss called him back
  
• 8 years agoHelpfull: Yes(0) No(0)
• than when his boss was calling him back
• 8 years agoHelpfull: Yes(0) No(0)