—My son is lost . Have you seen a boy passing by here?—I saw boy hidden behind tree over there . You may go and have a look.
I’m moving to the countryside because the air there is much fresher than ____ in the city.
--- Can I call for some friends and spend the day outside with them, Mom? --- ____ I’ve told you to have a weekend on your own.
--- I hear Robert has gone to Harvard University for his master’s degree. --- Oh, how nice! Do you know when he ____?
--- Did your boss phone you again the next day? --- No, it was a fortnight ____ he gave me a second call.
She made a few mistakes playing the violin, but you should make ____ for her since she’s only been playing for a year.