John Snow was ____famous doctor in London—so expert that he attended ____Queen Victoria as her personal physician.
The pen ______he is writing is mine.
This is one of the best films _______.
Some researchers believe that there is no doubt ________ a cure for AIDS will be found.
Mum is coming. What present _______ for your birthday?
Danny left word with my secretary _______ he would call again in the afternoon.