_____is it?—It’s 20 yuan.[ ]

I __________get on the bus when I heard someone calling me from behind.

Was it in the hotel _____ my father works _____ you met the film star the other day?

Mum, when shall we go shopping? —After I finish _______ the clothes.

When I came here just now, I saw he _______with a black and white dog in the garden.