[ Vocabulary ]
Long-distance calls are usually _______.
A. free
B. cheap
C. expensive
D. short
Select your answer:

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Grammar › ViewThese are pictures of Picasso. Do you like _______?
A. them
B. they
C. their
D. theirs
Grammar › View
What kind of participle adds -ing to the first principal part?
A. Present participle
B. Past participle
C. Perfect participle
D. Progressive passive participle
