The author feels upset because people may become

According to the passage people who have experienced ups and downs may become______.A．nerv

Which of the following commitments does the author feel people need to make？A．Explore more

People strike the animals in the eardrum to______.A．make them become deafB．make them feel

Which of the following is NOT among the factors that may cause people to feel lonely？A．Les

Some people may disagree with the author on his method because they thinkA．it is not pract

The author had a sudden heavy feeling （Para. 2), because______.A．he did not want to take t