___in the air, this kind of steel become harder and harder.
Hecametothemeeting_____________hisseriousillness.
Theprofessorsaidthatyourdiscoverywas_____________.
Theaccidenthas_____________tobeagoodthingafterall.
—Whatwillyouhaveus_____________today,Boss? —Typesomebusinessletters.
Heisgoingtohospital_____________amedicalexaminationnextweek.