The computer centre, ______ last year is very popular among the students in this school.
33. There was no light in the dormitory last night. So, they ________ to the lecture then.
32. After he left college, he was employed in an international company and _______ there ever since.
31. A large sum of money has been raised for the ____________ of the poorly-educated children in the mountainous districts.
30.Little__ that we were watching his every move, so he seemed to be going his own way in this business.
29. The nutrients in _____falls into the ocean will quickly become available to other living creatures.