His radio is a very old one. It sometimesworks and sometimes it_______

The book is ____. Most of the teachers are ____ in it.

His quarrel with his boss ______ him his job.

Excuse me, Miss Wang, a man named Robert from the Bank of Construction ____ all morning.Could you speak to him now? [ ]

I _____ of your trying to earn some money by taking part time jobs, but please don’t neglect your studies at university.