Education is also important (1)_____ it helps people get more out of life. It increases their knowledge and understanding of the world. It helps them acquire the skills that make life more interesting and enjoyable, (2)_____ the skills needed to participate in a sport, paint a picture, or play a musical (3)_____. Such education becomes (4)___ important as people gain more and more leisure time. Education also helps people adjust to change. This habit has become necessary because social changes today take place with increasing speed and (5)______ the lives of more and more people. Education can help a person understand these changes and provide him with the skills for adjusting to them.
Điền vào số 4
A. increased
B. increasing
C. increase
D. increasingly
Đáp án D
Giải thích: Trạng từ đứng trước tính từ để bổ nghĩa cho tính từ đó: increasingly important