People in Tianjin are proud of ______ th
题型:选择题
问题:
People in Tianjin are proud of ______ they have achieved in the past few years.
A.that
B.which
C.what
D.How
People in Tianjin are proud of ______ they have achieved in the past few years.
A.that
B.which
C.what
D.How