It is not generally necessary in western cultures to reciprocate or small personal favors by giving gifts.

Don"treckon onthe person who lacks sincerity. A: reciprocate B: predict C: rely on D: riddle

If a friend takes you skiing a few times and you reciprocate by sending him a new down jacket, but he'll love the jacket but probably be uncomfortable at now being in debt to you. A: alternate B: reward C: return D: resent