描述物品位置的介词 — 英语填空题
题目
Lily's room is tidy now. Fill in the blanks with the right prepositions (用正确的介词填空，每空一词)。Her books are ___ the bookshelf. The clock is ___ the wall. Her shoes are ___ the bed, so you can't see them. Her football is ___ the door (在门后面).