The classroom is big enough        , but we’ll have to move if we have more students. 

He threw away all the ______ cigarettes, _______ to give up smoking for the sake of his health.

.Walking alone in the deserted village, John was scared. He thought he ______Tom to go with him.

After the long journey, the three of them went back home, ______.

--- The patient looks much better.    is it that has made him      he is today?--- Perhaps the special medicine and his family’s patient care.