The number of books in the bookshop is about 10,000 and a number of them________about science.
I ____ you to buy tickets first if you want to travel in August.
If a fat person wears a dark color, it will make him look ____.
Sometimes the police wear casual clothes to ____ special tasks.
I think our parents should allow us ____ ____ own clothes.
It’s necessary ____ us ____ wear suitable clothes on every occasion.