.—This yard is so clean today and everything looks fine.—I didn’t notice that. It’s clear someone ________it.

They ________________for a year. [ ]

busy writing a story, only ______once in a while to smoke a cigarette

We’ll have a____ holiday. What about going to Tibet— Sounds great.

Have you ever been here before? —Well, I once _________ here for four yearsThose days are really unforgettable