Answer:
As you may have observed, all continuous tenses use a form of the verb 'be' and a present participle, whereas all perfect tenses use a form of the verb 'have' and a past participle.
Explanation:
 
        
             
        
        
        
Answer:
A.    A variety of cheeses filled one mouse's trap.
Explanation:
 
        
             
        
        
        
Answer:
R&B Music came into prominence in the late 1940s with Cab Calloway, The Harlem Hamfats, Count Basie, Louis Jordan and others. "The term Rhythm & Blues" (R&B) was first coined in 1948 by music journalist turned record producer Jerry Wexler.
<h2>
</h2>
 
        
             
        
        
        
Iambic pentameter is fives sets of iambs, or one unstressed followed by one stressed.
The only choice that matches that description is option A. 
The others all start with a stressed syllable, so they can not be iambs.
Hope this helps =)