Mary went to the box office at lunch time, but all the tickets ____out. 
#104851
A
would sell
B
had sold
C
have sold
D
was selling
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His sister left home in 1998, and _________ since then. 
#100164
A
hadnotbeenheard
B
hasnotbeenheardof
C
hadnotheardof
D
hasnotheardof
---- You look tired. ---- Yeah, I ________ since 4 o’clock.
#103605
A
had played
B
have been playing
C
am playing
D
have been played