Doubting that the traveler carried drugs, the Customs officer stopped him and _______ his suitcase, but found nothing at all.
John invited about 40 people to his wedding,most of ________ are family members. A them B.that C.which D.whom
When I arrived,Bryan took me to see the house________I would be staying.
We have launched another man-made satellite,________is announced in today's newspaper.
Nowadays people are more concerned about the environment________they live.
________ is often the case with children,Amy was better by the time the doctor arrived.