I have been living in the United States for 20 years, but seldom ________ so lonely as now.

He didn’t ________ what I said because his mind was on something else.

She_______ an old friend of hers yesterday while she was shopping at the department store.

Tom ________ friendship and experience from the local residents, working with them for 3 years. [ ]

That a good idea! Let’s do it like that.