To see how much knowledge you have gained, to see what helps you learn and also these tests tell your teacher what they need to do to improve there teaching as much as for you to improve your knowledge
The subject of this sentence is "each and every student and instructor". It is possible to identify the subject by asking who performs the action of the verb "hope".
E I believe I may be wrong, hope this helps.
Every six years, the United Nations-sponsored Intergovernmental Panel on
Climate Change (IPCC) releases a massive and influential study
detailing the state of Earth's climate. Every citizen on the planet
should take the 20 minutes needed to read the Summary for Policy Makers (PDF File)
issued in February 2007. In their fourth report since 1990, the IPCC
offered its strongest language yet that Earth's climate is warming and
humans are largely responsible:
the answers are darkness and light
