[ Vocabulary & Grammar ]
In a classroom the teacher can structure learning groups that are diverse and devise activities that require each student ____ to the group.
A. to contribute
B. contribute
C. contributing
D. contributed

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Noun Clause › ViewNina Sofiana as the manager of this office told … the main target market for this destination was tourists from Singapore and Malaysia.
A. that is
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Future Tense › View
It’s too cold in in this room. ____ you ____ the air conditioner, please?
A. Will… be turning off
B. Will… turn off
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