Although most adopted persons want the right to know who their natural parents are, some who have found them wish that they ______ the experience of meeting.
In our factory there are 2,000 workers, two thirds of _______ are women.
Your decision will affect your future study in college and your future job _______.
Mr. Smith likes traveling _______; but his wife enjoys _______.
---Would you mind if I _______ here? --- _______ . It’s not allowed.
All the students in our class made _______ progress by studying harder this term.