一道英语单选题
In order not to be disturbed , he spent three hours( ) in his room.
A. locking B.locked
答案是B 为什么
参考答案:B
he locked himself in his room
他被锁,是被动
locking的话后面得跟宾语
In order not to be disturbed , he spent three hours( ) in his room.
A. locking B.locked
答案是B 为什么
参考答案:B
he locked himself in his room
他被锁,是被动
locking的话后面得跟宾语