Every weekend my younger brother will go to help the old man far away my house,for which he often received some            from the old man,such as a pencil and some sugar.

The success of her business made it difficult for her to carry out her       as wife and mother.

There is no _____ that the Chinese people will present to the world a successful, splendid  and unforgettable exposition（博览会）.

Every one of us is free to have our own religious _______.

Each of us is likely to develop a personal _______ for certain types of entertainment.