It is a general rule that children’s games and books seek to teach and ______ at the same time.
You may drop in or just give me a call. __________ will do.
Both sides have accused __________ of breaking the contract.
If you can’t decide which of the two books to borrow, why don’t you take __________? I won’t read them this week.
Of all the books on the desk, __________ is of any use for our study.
I used to earn __________ than a pound a week when I first started work.