Without the earth’s atmosphere to protect them, astronauts can be exposed to intense radiation from the sun, ____ them at risk of cancer.
It is not immediately clear _______ the financial crisis will soon be over.
--Do you live____________ near Jim? --No, he lives in another part of the town.
On the long journey, Peter ________ a most interesting guide. We all had a wonderful time.
__________ entered the office when he realized that he had forgotten his report.
For quite____________ students, their teacher’s advice is more important than___________ of their parents’.