—How is your grandma?

—She’s fine. She used to      TV at home after supper. But now she is used to______out for a walk.

A．watch;go

B．watching; go

C．watching; going

D．watch; going

-----Are you happy with your new computer?

----- No, it is _______ me a lot of trouble.

A．showing

B．leaving

C．giving

D．sparing