Without the earth’s atmosphere to protect them, astronauts can be exposed to intense radiation from the sun, ____ them at risk of cancer.
_______ the smoggy weather, the central government has taken action to deal with it.
The dictionary still ______ where I ______ it a moment ago.
-Are you firmly against Japan’s decision to purchase the Diaoyu Islands? -Of course. That is _______ our basic interest lies.
No student ______go out of school after eleven o’clock at night without the teacher’s permission.
The scientist holds the view _______ the book said was right.