Ⅰ. 单项选择 (15分)
从A、B、C、D四个选项中，选择一个能填入句中空白处的最佳答案。
( )1. — Sam, do you know ______ Alice won the English competition?
— Really? That’s great!
A. that B. when C. why D. where
( )2. Peter is afraid ______ in front of others because his English is not good.
A. to tell B. to talking
C. to speak D. of telling
