The number of tall buildings __________ greatly in Tianjin in the last few years.
A. is increasing
B. has increased
C. are increased
D. have increased
正确答案:B
参考解析:暂无解析

The number of tall buildings __________ greatly in Tianjin in the last few years.
A. is increasing
B. has increased
C. are increased
D. have increased
正确答案:B
参考解析:暂无解析