No conclusion ______about whether to tear down the old buildings for a theme park until several discussions have been made.[ ]

There are many kinds of sports, _______ my favorite is swimming.

couldn’t ________ to her. The line was busy.

from fatherto son, the music has not changed for eight centuries，and among the richer Naxi people,________ knowledge of this music showed that you were ________real gentleman.

Not only________to turn off the lights in the kitchen，but we also failed to lock the front door.