11.My father stayed in Japan only a few months, _____he went through a series of hardship.
.—Mr.Smith, I wonder if I could take Friday off? — _____________? It’s a bit difficult with so many people away on holiday, you know.
.After five days’ climbing in the mountain, they reached ____ they thought was the place they’d been dreaming of.
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 ____?