25．A．frightened            B．frightening           C．excited                   D．exciting

24．A．choose                 B．was chosen           C．chosen                   D．choosing

23．A．many                         B．much                   C．few                       D．a few

22．A．of                       B．in                        C．with                             D．after

21．A．to                       B．for                      C．before                    D．at

19．Can you tell me ________?

A．when will Jack come back                        B．when does Jack come back

C．when Jack will come back                          D．when did Jack come back

18．There will be no giant pandas in the world if we ________ them．

A．doesn't protect                                         B．don't protect

C．didn't protect                                             D．wouldn't protect

17．Mum，I miss you very much，I am looking forward to ________ you．

A．hearing from                B．hear from            C．hears from．           D．heard from

16．That stone bridge ________ in 1958．

A．build                   B．built                    C．is built                   D．was built