The summer vacation is coming．Do you have any ideas about the coming vacation?－I volunteering in the old people’s home．What do you think of it?

I’m looking at the photos_____you sent me with your letter. [ ]

When did you ________? —Ten years ago.

Mary cares about clothes, and she _____ lots of money _____ clothes.

.—Must I turn off the gas after cooking ? –Of course . You can never be ___ careful with that.