.1.You don't have to take these books out of the reading room.改为被动时态 .You can look up the wor
问题描述：
.1.You don't have to take these books out of the reading room.改为被动时态 .You can look up the wor
答
These books don't have to be taken out of the reading room.
答
these books cannot be taken out of the reading room.