A.is it
B.isn't this
C.isn't it
D.don't we

A.were destroyed
B.destroyed
C.have destroyed
D.were destroying

A.about
B.to
C.of
D.with

A.The most carefully
B.The carefully
C.The more carefully
D.Carefully

A.beautiful silk yellow
B.beautiful yellow silk
C.yellow silk beautiful
D.yellow beautiful silk

A.had finished
B.has finished
C.was finished
D.finished

A.no matter
B.although
C.because
D.whether

A.full of experience
B.lack of responsibility
C.without money
D.full of sincerity

A.
B.
C.
D.

A.I often met my grandparents five years ago.
B.I last met my grandparents five years ago.
C.I have met my grandparents for five years.
D.I didn't meet my grandparents five years ago.