用单词的适当形式填空。

1. The _____ (第29届) Olympic Games were held in Beijing on August 8th, 2008.

2. We are having a school trip this Sunday. We feel ______ (exciting).

3. It rained ______ (heavy), so he didn't go to work yesterday.

4. Tom ______ (beg) his mother for another 10 yuan yesterday.

5.  His bag is blue. ______ (I)  is red.