ARW2 146

Question 1

Leo ... Leonardo da Vinci over 500 years ago.

Accepted Answer

met

Question 2

Doctors at the Hastings Center ... longevity for many years and plan to continue for many more years.

Accepted Answer

have been studying

Question 3

Although it is only March, Gregory Stock ... four papers on how increased lifespans can decrease healthcare costs.

Accepted Answer

has written

Question 4

Leo ... at least 10 different careers so far.

Accepted Answer

has had

Question 5

Scientists should not continue extending lifespans until they ... out ramifications longer life will have for society.

Accepted Answer

have figured

Question 6

Leo .... many important historical figures during his life, and he looks forward to meeting many more.

Accepted Answer

has met

Question 7

The conference that Dr. Kalish ... last August dealt with the future of marriage in a society with prolonged lifespans.

Accepted Answer

has attended

Question 8

Marilisa and Leo ... Capri in '87 on their first anniversary.

Accepted Answer

visited

Question 9

Dr. Chris Hackler ... research concerning family relationships of siblings born 40-50 years apart.

Accepted Answer

has been doing

Question 10

Marilisa ... to Fyodor for at least 30 minutes. Do you think they will be done soon?

Accepted Answer

have been talking

Questions 10