Have the villagers already known ________ we’ll do is to rebuild the bridge?

 She was so angry and spoke so fast that none of us understood _____ she said meant.

After _____ seemed an endless wait, it was his turn to enter the director’s office.

You will never guess ______ when she found herself ranked first in the competition.

In this institute, a medal with nine thousand dollars __________ gains success in science and technology every other year.