Answer:
today 
Explanation:
a noun is a person place or thing and a noun can not come after a verb and the verb is "is" so the only correct answer is today 
 
        
             
        
        
        
Answer:
False, the correct answer is Tone.
^-^ Hope this helps!
Explanation:
 
        
                    
             
        
        
        
Answer:
4. we timed ourselves during the experiment
 
        
             
        
        
        
Answer:
4
Explanation:
This is the correct answer because it correctly employs the comma to separate the prepositional phrase at the beginning of the sentences with the remaining part of the sentence. 
The comma is necessary because without it the word time could potentially belong to the phrase if we were teenagers or to these licenses. The comma creates a needed pause in the sentence that allows the reader to oriente him/herself and keep the elements in context. 
 
        
             
        
        
        
Answer:
Missing Wallet Found 
Please if your wallet is missing, you are to kindly report to the Principal's office for confirmation and collection. 
Explanation:
It's just a notice, so I don't think much is required