16．What do most students think is the best way to learn English words？
A．To make cards．
B．To join the English club．
C．To write to a pen friend．
17．Where is Li Lin's pen friend from？
A．Canada．
B．Australia．
C．America．
18．What do other students advise Zhao Gang to do？
A．Watch English movies every week．
B．Listen to English programs every day．
C．Read English newspapers every morning．
19．How many students in the club think grammar is the most difficult？
A.6．
B.8．
C.12．
20．Who is good at English grammar？
A．Paul．
B．Li Lin．
C．Lily．