771 Put in the where necessary. Leave the space empty is the sentence is already complete
1 Whois Doctor Johnson? the sentence is complete without the
2 I was ill, so I went to see
3 The most powerful person in
United States is
president
President Kennedy was assassinated in 1983.
5 Do you know
Wilsons? They're a very nice couple
6 I'm looking for
Professor brown. Do you know where she is