问题补充:
Beijing is cold this time . You need warm clothes if you go there.
A. of the year, to pack
B. of year, packing
C. of year, pack
D. of year, to pack
答案:
A. of the year, to pack
B. of year, packing
C. of year, pack
(答案→)D. of year, to pack
解析:句意:每年的这个时节北京是很冷的。如果你去那里你需要带上暖和的衣服。This time of year意为“一年中的这个时节”;need to do意为“需要做某事”;故选D。