Ex1: Choose the best answer to complete each of the following sentences: 1. We need to find an effective way to-…traffic jams because they havei

By Kaylee

Ex1: Choose the best answer to complete each of the following sentences:
1. We need to find an effective way to…….traffic jams because they haveincreased rapidly for many years. A. help B. collect C. recycle D. reduce




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