[ Grammar ]
Many countries in the world ______ wind power on a commercial basis today.
A. used
B. will use
C. are using
D. uses
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Prepositions and Preposition Phrases › ViewHow many prepositional phrases are in the following sentence? Enter the number of prepositional phrases.
On Wednesday, we celebrated at my mom’s house for two hours.
A. One
B. Two
C. Three
D. Four
Grammar › View
Japanese is _________ language to learn.
A. the hardest
B. hardest
C. hard
D. harder than
People _____ in a hotel.
A. Live
B. Stay
Geography › View
What is the time difference between longitudes?
A. 4 minutes
B. 6 minutes
C. 1 hour
D. 10 minutes