问题
选择题
As you can see, the number of cars on roads _______ rising these days.
A.we keeping
B.keep
C.keeps
D.were keeping
答案
答案:C
keep doing sth. 使…保持某一状态.
As you can see, the number of cars on roads _______ rising these days.
A.we keeping
B.keep
C.keeps
D.were keeping
答案:C
keep doing sth. 使…保持某一状态.