Question

1. With more and more people        in English every day,we must have a good knowledge of English. (communicate)

随着越来越多的人每天用英语交流，我们应该好好学习英语。

Answer 1

1. communicating with each other本题考査"with +宾语+宾补"的独立结构。 people是communicate的实施者,所以communicate应该用现在分词，表主动。