完成句子。
1. Lanlan is a good girl. She is __________ __________ __________ __________ (科学相当好).
2. Is Daming __________ __________ __________ (在班里调皮)? Yes, he is.
3. Dongdong isn’t __________ (懒). He __________ __________ (工作努力).
4. There are __________ __________ (许多孩子) in the park.