It’s a tough animal that has to survive in a difficult environment. Also, it cannot walk backwards, so it is always moving forward. This expresses the
Image waking up one morning
根据课文大意,完成短文,每空一词。
Working at the
It’s a tough animal that has to survive in a difficult environment. Also, it cannot walk backwards, so it is always moving forward. This expresses the
Image waking up one morning