______ do you sleep every night? More than eight hours. [ ]

The British are not so familiar with different cultures and other ways of doing things, ___________ is often the case in other countries

_______ can a tiger weigh, do you know? — Yes, I know that a big one can weigh over 300 kilos.

There are _____________ doctors and nurses in that hospital.

________ shall we paint the walls?—I prefer white. It makes us feel calm and peaceful.[ ]