This company earned a lot of money. As a result,the members' personal income rose by a(n)________of 13 percent.
A group of children ______ hide and seek in the garden.
All but one ______ here just now.
The police ______ for the lost child everywhere.
Both bread and butter ______ on sale in this shop.
The problem is _____ we can master modern science and technology in a short time.