We’ve never expected___ so many valuable finds from this archaeological site.

  A. there being       B. to there be       C. there to be      D. to be there

A recent survey revealed that __________ dogs barking incessantly in the night that we disliked most.

There is a real possibility that these animals could be frightened，__________a sudden loud noise.?

A.being there                                     B.should there be?

C.there was                                        D.there having been?

Everyone's talking about _____ a．movie, but nobody can tell exactly what its title is．

       A．there being              B．there be            

       C．there will be                D．there is

There is a possibility that these hens could be frightened and lay fewer eggs 　　 a sudden loud noise.

A. would there be　 　　　　　　　　 B. should there be

C. there was　　 　　　　　　　　 D. there having been