句子翻译:根据中文提示完成句子。
1. 昨天我花了大约两小时完成了作业。
It _______ me two hours to _______ my homework yesterday.
2. 你不应用筷子指人。
You shouldn't _______ _______ anyone with your chopsticks.
3. 他努力学习,以便能够赶上其他同学。
He works hard so that he can _______ _______ with other students.
4. 你应该见面说“好”。
You are_______ _______say hello when you meet.
5. 无论这项任务有多么困难,我们都会按时完成。
No matter _______ _______ the task is, we'll finish it on time.