By the time Jack returned home from England，his son ________ from college.(2011·辽宁)

Though most people know that smoking __________ the risk of cancer, it is still hard for them to give it up. [ ]

My money was beginning toandthere were no jobs to be found．

Excuse me, Is this the right way to the Summer Palace ?— Sorry, I am not sure, but it _______ be.

9．I was very____to find that the cinema was not acces­sible to theelderly or people in wheelchairs.