---What do you think of teaching , Bob? ---I find it fun and challenging. It is a job ___you are doing something serious but interesting
--- I think we have met the word before. --- Yes. It is in the reading material ____ we ____ reading yesterday.
She might have been in time for the train, but she _______late.
Tom is the only one of the students in our school who_____late this morning.
You can find whatever you need at the shopping centre,_____is always busy at the weekend.
These newly-produced cars are sold at so low a price_____people expected.