Most of the young girls know they should cut down on fat, but knowing such a thing isn’t of much help when it ______ shopping and eating.

I can’t finsh doing it _____ your help. [ ]

I was very tired. I had to resta few hours.[ ]

Mum , I think I’m _______ to go back to school .— But the doctor says you must stay in bed for two more days .

Scientists are working hard to make _______ possible for people to live on Mars in the future.