Can you wait half an hour?书中例句 为什么这里wait后面又不用for呢?

问题补充：

Can you wait half an hour?书中例句,为什么这里wait后面又不用for呢?

答案：

Can you wait for half an hour?

the for is still required to make a complete sentence gramatically

======以下答案可供参考======

供参考答案1:

你记在就行了

供参考答案2:

wait for 一般是接人的

供参考答案3:

for省略了