—What will you have us _____________today，Boss?—Type some business letters．

I catch cold now and then.

 —How did it _____ that you made such a silly mistake?—I myself haven’t figured it out yet.

Mr. Smith, who often helped passers-by repair their bikes, said that what he did was not paid but _______.

---How do you find my composition, Mr John? ---Good, ___too many spelling mistakes. You can’t imagine what great difficulty I had ___them.