Vấn đề đặt ra khi khai thác, vận chuyển và chế biến khoáng sản là:

A. Giá thành sản phẩm đầu ra thấp

B. Chi phí vận chuyển, chế biến lớn

C. Gây ô nhiễm môi trường sinh thái

D. Khó khan trong khâu vận chuyển

Choose the word of phrase that best fits the blank space in the following passage

Once a farmer (1) ______________ a comfortable life with his family. His chickens laid many eggs which the farmer used to sell to buy food and clothing (2) ______________ his family. One day, he went to (3) ______________ the eggs and discovered one of the chickens laid a gold egg. He shouted (4) ______________ to his wife, “We’re rich”. His wife ran to him and they both look at the egg in amazement. The wife wanted more, so her husband decided to cut open all the chickens and find more eggs. Unfortunately, he couldn’t find any eggs. When he finished all, the chickens were (5) ______________. There were no more eggs of any kind for the (6) ______________ farmer and greedy wife.

Question 1:

A. leave

B. left

C. live

D. lived