1.On his way home, he was attacked(攻击) and seriously injured by two strangers.
2.They claimed(声称) the noise from the new airport disturbed their lives.
3.He told us the news seriously, so we were not sceptical(怀疑的) about what he said.
4.The speed of the car was frightening(令人恐惧的) and that was the cause of the car accident.
5.Egypt, as the birthplace of ancient civilization, is a mysterious(神秘的) land.
6.Two thirds of the surface(表面) of the earth is covered by water.
7.When the weather is fine and the lake is calm(平静的), we may go boating together.
8.They are unlikely(不可能的) to come since the weather is so bad.