It is uncertain ________ side effect the medicine will bring about, although about two thousand patients have taken it.(2010·浙江)
108. We spoke in whispers ______ waking the baby.
101. A shy person dislikes ______ when he or she has to make a speech in front of a large crowd of people.
102. ______ I had done it I knew I had made a mistake.
103. _____ at the news, the girl said nothing but ______ into the chair and cry.
104. What do you think _____ to her? She is very angry now.