The practice of hanging clothes across the street is a common ______ in many parts of the city.
Every weekend, there is a meeting and our head teacher, with five of us, ____ it.
– Is everybody here?– Not yet… Look, there ____ the rest of our visitors!
The scientist’s many years’ careful observation ____ a surprising discovery.
Don’t come and see me today – I’d rather you ____ tomorrow.
It is clear that your ____ English will greatly improve if you can practice ____ wherever you can.