. Enough attention should be paid to _____ your pronunciation and intonation.

The old woman had a letter from her son in the army_____ to her.

With his mother_______ him, he is getting on well with his work.

To their great relief, the missing child returned home, ______, after an absence of two weeks. 

Days of snowstorms have left the city     under thick layers of ice and some 50,000 homes without power．