The USA and some other countries helped the rebels in Libya ____________ their promise to support democracy (民主) and fair trade.
Of all the boys, Tom spent __ time and made ___ mistakes.
___ Sunday, I went back home ___.
It isn't quite ___ that he will be present at the meeting.
He lives in a __ building,There is a ___ table in his room.
We sat there, ___ with what we listened to.