It was ________I got home two hours later ________I realized I’d left my most important textbook behind.
I have two bicycles, ____ is made in Guangzhou;____ is made in Shanghai.
___ took them quite some time to finish the job.
The boy took ___ for granted that Mum would buy him some candy.
____ of the magaxines has been put in good order on the shelf.
____ us goes in for sports.