---Do you know Bob?---I’m sure I’ve seen him , but I can’t remember the right place.
Children long ___ the three-day holiday after the exam.
How __ the weather ___ last Sunday?
This morning when I walked by the park, I saw many children ___ there.
There ____ a sports meet in our school. I will take part in the long jump.
I think this is ___ useful book, so I will keep it for ever.