...工作 make an impact on对...产生影响 make a comment
about评论...be used to doing习惯于...over time随着时间的过去 can’t wait to do 迫不及待做某事 pick up挑选 a sense of
direction方向感 fall asleep睡着 cheer...up 使...高兴 keep in touch保持联系 ▲Unit 6□sh...
...val、arrive、derive，后三个词都与river有关，rival表示one who uses a stream in common with another，进而构成了竞争关系，表示a person who is competing for the same object as another，arrive表示come to the shore，一开始river只表示riverbank/shore之意（不表示河...
...的过去一段时间内，通常要与现在完成时连用。如：The house has changed
hands three times in the last two years. 在过去两年中，这栋房子已转手三次。(3) in the past five
years：类似于in the
past five years的时间状语，它表示从现在算起的过去一段...