We are short of clean safe drinking water, which is found to be the ______ in many third world countries.
I have to go to the new building under_____ construction, and can you give me _____ lift?
---Where is the nearest hospital? --- Not very far. It is _________.
---Are you going to Tom’s birthday party?--- _______. I might have to work.
We have no other ways but ______ here for him to come.
The traffic rule says that the children ______less than 40 pounds and under the age of four must be in a child safety seat.