We can't avoid negative thoughts,but we should make it a habit to replace each negative thought with a positive________.
The boy was so tired that he fell asleep _____________ his mother could take off his clothes.
-Maria, the summer vacation is approaching. How shall I do my travel? -It's your money, your time-spend it how you want.___
Such novelists as Tolstoy are widely read, of __works; full of great humanity, however, some are difficult to understand.
At the railway station,the mother waved goodbye to her son until the train was .
The door opens and there ____.