[ Present Perfect Tense ]
Research ________ that cycling can help patients overcome their illnesses.
A. Showed
B. Has shown

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Grammar › View…………………. you check the weather forecast beforehand, should you go sailing.
A. Unless
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She wants to buy … umbrella for the rainy season.
A. a
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General Knowledge › View
Which is the language spoken by most people?
A. Answer of C&D
B. FRENCH
C. SPANISH
D. MANDARIN
E. NONE OF THE ABOVE