Because of too many differences between the two sides, a lot of questions are still left ________.A in the air B on the air C by the air D through the air
The women carrying babies, come in first,_____ ?
The boy you lent the pen to _____ it.
Don't miss the meeting. The questions to be discussed at it _____ of great importance.
In their country the king has _____ power while the government are in charge of most affairs.
There is a police car in front of the house of our neighbour's. _____ do you think _____ ?