问题补充:
There are two blackboards the wall and two doors the wall.
A. on, on
B. on , in
C. in , on
D. in ,in
答案:
A. on, on
(答案→)B. on , in
C. in , on
D. in ,in
解析:句意:墙上有两块黑板,两个门。墙上的黑板、图画、地图等都是墙外的东西,强调它们在墙上,用on;墙上的门、窗、洞等属于墙以内的东西,用in,故选B。
时间:2018-09-24 06:41:40
There are two blackboards the wall and two doors the wall.
A. on, on
B. on , in
C. in , on
D. in ,in
A. on, on
(答案→)B. on , in
C. in , on
D. in ,in
解析:句意:墙上有两块黑板,两个门。墙上的黑板、图画、地图等都是墙外的东西,强调它们在墙上,用on;墙上的门、窗、洞等属于墙以内的东西,用in,故选B。