A.That;that
B.That;what
C.What;what
D.What;that

A.had begun
B.has begun
C.is begun
D.was beginning

A.has;tarted
B.was;tarted
C.have;started
D.had;started

A.had worked
B.worked
C.has worked
D.would work

A. one
B. it
C. – (不填)
D. one cake

A.here
B.there
C.that
D.this

A.doing
B.making it
C.getting above.
D.poking his nose into

A.drive
B.drives
C.drove
D.have drive

A.did;being demolished
B.did;demolish
C.is;being demolished
D.is;demolished

A.did
B.used
C.would
D.used to

A.travel
B.journey
C.voyage
D.trip