It was at the airport _____ was completed last year _____ he worked as a volunteer helping foreigners in need of translation service.

Who is the woman in black?— ________ is our physicsteacher.

It is said that by no means _____to get into this laboratory without Mr. Jackson’s permission. [ ]

His idea of having weekly family meals together, which seemed difficult at first, has ____ many good changes in their lives. [ ]

He risked __________ his job to see me off.