用括号中所给单词的适当形式填空。
1. Hello! This is Mrs Read________.(speak)
2. Bill is________in the________things.(interest)
3. Many old________were all________long ago.(invent)
4. Why not________and have a look?(go)
5. She felt________about her son.(worry)
1. speaking 2. interested, interesting
3. inventions, invented 4. go 5. worried