We had to wait half an hour __________ we had al-ready booked a table.
The Smiths felt __________ about their daughter who had gone to the clinic for three hours.
—I'm leaving for the doctor's this afternoon. —OK, but make sure __________ when you leave.
The patient hasn't got a fever. In other words, his temperature is __________.
The seriously __________ people in the car crash were taken to hospital to be treated.
Canada is one of the countries that __________ a free education system __________ by the government.