The programme Drive less，cycle more will reduce pollution and make streets
much （安全的）.
My parents and I had a journey to Hainan. （wonder）
Scienists have found that _________ talk to each other all the time. Their language is a kind of chemical. (plant)
Li Bai and Du Fu, two of the greatest poets in Chinese history, formed a ________ friendship. (last)
Choose________ how you spend your spare time and with whom you spend it
(wise)
If you buy a blind box, you’ll get a box with a(n) ________ item inside. (known)