6. As is announced ,  __00 reward will be offered for ____return of the stolen cultural relics.

A. a ; the B. / ；the  C. a ; a   D. / ; a

7. On stepping into his room he was astonished to find the floor covered with _____looked like tiny insects.

A. that  B. something C. what D. anything

8. Mr. Smith said that their first trip to the seaside town was ____one but their second one was even more interesting.

A. a most interesting B. very interesting

C. the most interesting D. a more interesting