Its is optimistic. Even do the work is hard and slow he thinks that it will get done and it will be alright. <span />
Answer: do and return (many answers)
Explanation: Makes it a complete sentence.
Yes! The tense has to stay consistent throughout the sentence! ;)
Some things that are going through my mind if I let it wander is food. I am also think about the homework that I need to do. I am also thinking about what I am going to do on the weekend. I am also thinking about how I am tired and that I want to go to bed.