Here are the best answers to complete the reading passage based on the context provided:

1. **A. has**
2. **C. ear**
3. **B. on**
4. **D. work out**
5. **C. between**

So the completed passage would read as follows:

"It is essential to spend an amount of time doing workout to lead a healthy life. However, in reality, it (1) **has** become a common misconception that the more you do exercise, the better it is for your fitness. A lot of health issues resulting from intensity exercise might happen. Feeling sore (2) **ear** and heavy limbs, having trouble sleeping and getting exhausted are some of the symptoms that exercisers are likely to deal (3) **on** when spare a lot of time to do hundreds of press-ups and star jumps in a gym. These negative impacts can (4) **work out** you down at work or school, and make you frustrated when you have to get too much exercise and (5) **between** desisting from exercising in extreme heat or cold as well as resting sufficiently periods of workout."