The two countries were between 1989 and 1992.
—Simon is watching TV. —He's watching TV? He's ________to be cleaning his room.
—Can I use your telephone?—________.
It's not enough. We need ________ more than that.
The terrible weather ________ our difficulty in building the road.
—Yesterday we learnt the fifth, ________? —I'm sorry, Mr. Li. I don't understand everything.