.My cousin keeps the photo____he can see ite veryday, as it always reminds him of His college days in Florida.

Not until all the fish died in the lake __________ how serious the pollution was.

I do some explanations I________ to call on you yesterday,but someone came to see me justwhen I was about to leave

Do you enjoy ______ a volunteer– If you want, you’d better join us.

One reason for her preference for city life is____she can have easy access to places like shopsand restaurants[ ]