1 after (放学后我们准备去动物园) 2 打的常用能介词by 3 在书店里有介词at或in 4 ook for为固定搭配1.There's a hospital in the middle.2.HongKong is in south of the China.
1.at 2.by 3.on 4.for1.There's a hospital in the middle.2.HongKong is in south of the China.