-_______do you spare time to visit your parents every month?-Twice.

Mrs. Black doesn’t believe her son is able to design a digital camera, _____? 

That gentleman, yes, you, once again, _______?

 --         did you visit the Science Museum? --Three months ago.

-- You don’t like the new fashion of my hair style, do you?-- _____. I like it better _____ I look at it.