[ Vocabulary ]
measurement of what is produced and what is required to produce it
A. free trade
B. productivity
C. culture
D. market economy
Select your answer:

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Grammar and Vocabulary › ViewChoose the option which is different from the other options.
I am _______ better at playing the guitar than I was a year ago.
A. a lot
B. far
C. a bit
D. much
Conjunctions › View
Complete the sentence with a subordinating conjunction: We will go for a hike _______ the weather clears up.
A. because
B. since
C. after
D. while
