[ Perfect Tenses ]
Have we …… before?
A. meet
B. met
C. meeting
D. meets
Select your answer:

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Conjunctions › ViewIn some markets, e-commerce primarily lowers prices, in others it spurs product differentiation and price discrimination.
A. According to
B. In spite of
C. While
D. Before
E. Although
Vocabulary › View
The ____ of basic foods has been going up for the yast year. Everything is more expensive now.
A. produce
B. increase
C. cost
D. economical
