—Have you seen my brother?—Yes. I _____ him in the library five minutes ago.
Call a taxi, ______ you will miss the train.
Don’t make ________in class.
_______ you do, don’t miss this exhibition, for it’s so hard for me to get the tickets.
You shouldn’t watch TV____ school nights.
--- I can’t fall asleep. --- You get up and try to do something ______lying in bed.