—Mr. Smith, why are you always asking me to do the difficult work?—Because you _______ do such a thing and nobody else is fit for it.

---Did you ask Sophia for help? ----I ______ need to- I managed perfectly well on my own.

–Do we have to talk with Jack about that matter?–Yes, I think we __________.

You       play computer games for a long time. It’s bad for your eyes.

—Why didn’t you come to Simon’s party last night?—I wanted to, but my mom simply _____ not let me out so late at night.