请根据句意或括号中的中文提示 ，写出句中所缺单词。
There are about four           ( 百) teachers in our school and they’re all kind.
Some of the             (工程师) are busy checking the computers for us.
Go across the bridge ,turn right and walk           (径直地) on.
All my classmates will prepare          (大量) of delicious food for the party.
There are some           (西方的) restaurants along the road.