6. It................... that English is an international language. A. is know B. is known C. known D. knows 7. It................. that the President had suffered a heart attack. A. was reported B. reported C. reprorts D. were reported 8. It.................. that Trang is the most intelligent in our class. B. believed A. believes C. is believed D. believe 9. It..................that the earth stood still. A. believed B. was believed C. believes D. believe 10. It.............. that Jack London's life and writings represent the American love of adventure. A. is thought B. thought C. thinks D. think