A.German old lovely glasses
B.old lovely German glasses
C.German lovely old glasses
D.lovely old German glasses

A.problem
B.nuisance
C.issue
D.difficulty

A.break-ins
B.breakthroughs
C.break-outs
D.outbreaks

A.break-ins
B.breakthroughs
C.break-outs
D.outbreaks

A.between
B.distinctive
C.in
D.wearing

A.find it
B.sends out
C.detect
D.A

A.his
B.flying
C.generally
D.had invented

A.his
B.flying
C.generally
D.had invented

A.be photocopied
B.photocopying
C.photocopied
D.photocopy

A.Having
B.To have
C.Have
D.Having had