A: That was a long run. It really tired me .
B: Long runs are always _____ , but they give you such a high.
Past Perfect TenseCleanup vs. Clean UpTenses
Next quiz: Idioms
To kill the goose that lays the golden egg means:
a. To prepare a feast to mark a special occasion.
b. To destroy something that is valuable or profitable to you.
c. To blame some who makes a very large and embarrassing mistake.
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