找出下列复合句中的宾语从句，并分析其构成: 1. Millie knows that it's important to finish homework on time. 2. Millie often doubts whether/if it is worth spending so much time on homework. 3.Millie doesn't know how she should deal with herproblem. 4.Simon doesn't understand why his parents are so strict with him. 5. I wonder how I can achieve a balance between my schoolwork and my hobbies.

Daniel has some questions. Rewritehis questions by using object clausesintroduced by question words. 2. I wonderhow much sleep we need every day3.I am not sure which method 1 should use to solve the problem 4.Can you tell me where we can buy a good dictionary