There are two rooms on the first floor, _____ is used as a guest room .
Entering the room, they found that quantities of novels _________ on the desk, while a pile of illegal drugs were burned to _________ ground.
If we _______ a great deal of time, we _______ be able to complete the project as you wish.
We were ________ on our way to the airport in a traffic jam.
The novel ________ the film has been adapted for children is written by a famous American writer.
Your performance in the exam did not reach the required standard; __________, you failed.