One third of the country_____ covered with trees and the majority of the citizens______ black people.
Some experts think that language learning is much ___ for children as their tongues are more flexible.
The parents suggested ___ in the hotel room but their kids were anxious to camp out during the trip .
We ___ our new neighbors yet, so we don't know their names.
Both sides have accused of breaking the contract ___.
You know he is not going to let us leave early if we ___ get the work done.