I am really sorry that I can’t visit you because I have to help my sister _______.[ ]

Hurry up, Jack. We have to get to the station before 11:45 ________ we can catch the 12:00 train.[ ]

Is this your baseball, David? —No, it’s not . It’s Helen’s.

Kate dances so well. Has she ever been trained? –No. He learns all by herself. She ______ goes to any training class.

Find the answer _____ the question, please. [ ]