高等继续教育 / 大学英语语法
正确率:100%
题型描述: 单选题
The problem of pollution in this city is more serious than ____ in other cities.
A.those
B.that
C.it
D.this
The problem of pollution in this city is more serious than ____ in other cities.
A.those
B.that
C.it
D.this
参考答案:
佳题速递: