1. In the USA, _______ Thanksgiving Day is a harvest festival£®Traditionally, it is _______ time to give thanks for the harvest and express gratitude in general£®

     A£®the; a                       B£®/; the               C£®/; a                  D£®the; the

2. The sound of the birds __________happy memories of my childhood holidays.

A. called up               B. called for      C. called on       D. called in