SOME OF MY FRIENDS ARE TAKING EXTRA CLASSES IN ENGLISH ... BECOME...

45. - 70 DE THI CHUNG CHI B TIENG ANH
70 DE THI CHUNG CHI B TIENG ANH

45. Some of my friends are taking extra classes in English ... become tourist guides.

a. so that

b. so as

c. in order that

d. so as to

 d