问题补充:
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:
A. we keeping
B. keep
(答案→)C. keeps
D. were keeping
解析:keep doing sth. 使…保持某一状态.
时间:2020-12-21 19:48:40
As you can see, the number of cars on roads rising these days.
A. we keeping
B. keep
C. keeps
D. were keeping
A. we keeping
B. keep
(答案→)C. keeps
D. were keeping
解析:keep doing sth. 使…保持某一状态.