_______apple _______ day keeps _______ doctor away!

It isn’t quite ___ whether the Tibetan antelope is still being hunted.

We regret to inform you that there are no tickets for Friday’s performance.

Do you know Mother’s Day— Certainly, it is popular and it ________ formally in the US in 1914 .

This returned Chinese scholar has become one of the top experts in this field.—-Yes,I know him very well.He____in Africa with animals for eight years