16. After graduation, many of us will eventually lose ______ touch with each other if not keeping in_______ contact regularly.
A. the; / B. /; the C. /; / D. the; the
17.These fairy tales are as popular as before in that they _________ the common sense of justice
and equality.
A. circulate B. accelerate C. classify D. adapt
18. Mike used to work in a remote mountain village school, which is ________ only on foot.
A. affordable B. accessible C. available D. acceptable
19. --- Mr Wang, I'm afraid our son is going off course.
--- _________ of bad habits, he, I'm sure, will make a difference.
A. Ridding B. Rid C. Having rid D. Being rid
