Read the passage below and decide which option best fits each space
There are two main factors that make it difficult to overcome poverty in the countryside. First, there is a ... to inherit one's occupation. If a person's parents work in agriculture, he will have chances to work in agriculture, and the income levels of many ... are very low. Another main problems is that families in the countryside are usually ... Before machines and modern techbology are applied to farm work, the farm family used children as workers. but now ... conditions have changed they still remain large families including several generations. The older memders are ... work hard and the young men go to the cities to look for jobs. Those who are left behind have an ever-greather burden to bear.
1. A. way B. attention C. tendency D. guide
2. A. farmers B. farm C. farmer D. farming
3. A. endless B. great C. large D. vast
4. A. economize B. economically C. economical D. economic
5. A. too old to B. so old to C. very old to D. so old that from the box to
động từ và tính từ của volunteer, different, reserved
động từ của harm, virtual
nghĩa của từ social: 
