Section 1 : 上期复习
1. The work in those two offices is equivalent, but the pay is different.
2. The office was in close proximity to Celia's house; however, it was a long drive in the heavy traffic.
1. 相同的，相当的；等价物
2. 接近
Section 2 请用同义词填空
1. The office was in close proximity to Ann's house before she moved; now she lives an hour's drive away.
How do you know that proximity means ______? What signal was used for contrast?
2. A signature on this form was previously optional; now it is required.
How do you know that optional means _________? What signal was used for contrast?
