The time he has devoted in the past years _____________ the disabled is now thought to be ________ great value __________ him.
-- __________ you ________ your book to the library?-- Yes. I returned it yesterday.
The missing boys were last seen ______ near the river.
I’m going to look for another job ________ the company offers me more money.
-- _______ do you write to your parents?-- Once a month.
– When shall we meet again next week?-- _______ day is possible. It’s no problem with me.