This pair of trousers looks very nice. Can I _______?
He has two pets. One is a dog, ______ is a cat.
— Will you stay for lunch? — Sorry, I ______. My brother is coming to see me.
I phoned you at six yesterday evening, ______ nobody answered.
— ________ did you last see him? — Two weeks ago.
There ______ little water in the river.