问题补充:
The fireman started to put out the big fire arriving at the burning building.
A. by
B. on
C. at
D. in
答案:
A. by
(答案→)B. on
C. at
D. in
解析:on 一…就…句意为“消防员一到达着火的楼房那就开始灭火”选B
时间:2021-08-10 15:51:02
The fireman started to put out the big fire arriving at the burning building.
A. by
B. on
C. at
D. in
A. by
(答案→)B. on
C. at
D. in
解析:on 一…就…句意为“消防员一到达着火的楼房那就开始灭火”选B