14. Over the long process of evolution, animals have developed their ______ senses, which makes it possible for them to _____ their environments.
In April thousands of holidaymakers remained ________ abroad _______ the volcanic ash cloud.
That is the only way we can imagine ________ the overuse of water in students’ bathrooms.
Rose’s humor was________ make every student burst into_______.
________twice, the postman refused to deliver our letters ______we chained our dog.
I always ________you with your brother, for you look so______.