Now listen to the following recording and answer questions 16 to 18.
16
A.For the past five weeks.
B.For the past six weeks.
C.For the past two months.
D.For the past three months.
17
A.To learn the words as many as you can.
B.To recite all grammar rules as fast as you can.
C.To do whatever you want without a plan.
D.To establish a regular study program.
18
A.They see models of the patterns they like.
B.They hear instructions or to read them loudly.
C.They write down keys points of learning subjects.
D.They have different ways of learning styles.