An( American 美国人) lives next door to you.
He walks (toward 朝向 ) me but stops halfway.=> toward 或 towards 都可以
My grandfather planted lots of trees around the (yard 院子 )of the house.
There is nobody in the room.So it is (quite 相当 )quiet.
How many (dynasties 朝代）were there in Chinese history?
It is (unusual 不寻常的）of him not to help others.