A.why at that point
B.at that time
C.by this time
D.at which point

A.building a pool
B.would build a pool
C.a pool be built
D.they would build a pool

A.having informed
B.informing
C.that I informed
D.having been informed

A.congestion
B.brand
C.flavor
D.blend

A.over
B.above
C.on
D.in

A.wouldn't turn on music so loudly
B.hadn't turned on music so loudly
C.couldn't turn on music so loudly
D.didn't turn on music so loudly

A.fall out
B.fall for
C.fall through
D.fall in with

A.the less/ the more loud
B.the later/the louder
C.the latter / the less noisy
D.the more late/ the more loudly

A.period
B.duty
C.arrangement
D.activity

A.that it was disappearing
B.but it had disappeared
C.when it disappeared
D.than it has disappeared