When Peter speaks in public, he always has trouble ______ the right things to say.
---Can you possibly lend me fifty dollars until pay day? ---______. Do you think I was born with a silver spoon in my mouth?
____ that saw the trade between the two countries reach its highest point.
The man, ____ is parked in front of our school, is a well-known politician.
---Is Medicine a science? ---Well, nowadays, most doctors recognize that medicine is ____ it is a science.
---The book is borrowed from the library. You ____ your children touch it with their dirty hands. ---Sorry.