China recently tightened its waters controls near the Huangyan Island to prevent Chinese fishing boats from in the South China Sea.
The doctor ____ is leaving for Africa next month.
The man ____ around our school is from America.
He talked about a hero ____ no one had ever heard.
In fact the Swede did not understand the three questions ____ were asked in French.
Have you read the book ____ I lent to you?