She gave me a list in case I _____forget what to buy. [ ]

Not until all the fish died in the lake __________ how serious the pollution was.

Our geography teacher told us to _____ more information about our city and share it next week.

The young man from Luo Yang Called Liu Yongying is really a kind -hearted guy , who is ready to help others . — A good fellow（小伙子）_____

___ in one leg, he never had achance to get a job