A:和hè 唱和 应和 和诗
B:差chāi 差役 差事 苦差
C:兴xìng 起兴 高兴 兴起
D:着zhuó 着陆 穿着 衣着
-- Li Ming said he would come here, _______ he hasn't arrived.
-- Don't worry. He is on the way. ______, there is much traffic, so it will take more time.