A.Was built
B.Building
C.To have built
D.Built

A.destruction
B.assessment
C.improvement
D.pollution

A.get
B.take
C.make
D.bring

A.finding
B.noticing C. depriving D. causing
C.
D.

A.determine
B.pollution C. essential D. charity
C.
D.

A.determine
B.pollution C. essential D. charity
C.
D.

A.behave
B.allow C. remind D. enter
C.
D.

A.has intention of doing jogging soon
B.keeps talking about jogging again and again
C.gives others advice about jogging
D.has no idea about jogging

A.follow
B.violate C. question D. disregard
C.
D.

A.So long as you pay all the bills at once, you can stay in the flat longer.
B.Whether you pay all the bills at once or stay in the flat longer.
C.Without all the bills paid, you can stay in the flat longer.
D.Unless the flat is free of bills, you cannot stay in it.