Fill in the Blanks Banned Substances Fill in the BlanksOnline version Test your knowledge about banned substances in sports by filling in the blanks with the correct words. by Debora Lascano 1 bring allowed required Children aren't to play with matches . 2 may use can You use your phone during the meeting . 3 could during required Employees are to wear a uniform to work . 4 bring allowed folowing When I was younger , I was to stay up late on weekends . 5 permited submited required Back in high school , we were to wear uniforms .