27. The professor  which course I am taking was excellent.

A. the                                        B. which                    C. taking                     D. excellent

28. Professor Wilson, that teaches chemistry, is an excellent lecturer.

A. that                                       B. taches                   C. an                D. lecturer

29. The beach on where we used to lie for sunbathing is very nice and clean.

 A.. where                    B. to lie                       C. sunbathing              D. is      

30. It was not until 1915 when the cinema became an industry.

                            A                B              C                              D

31: Yuri Gagarin was the first person travelling into space.

                                                  A           B                       C           D

32. There are very large rooms with beautiful decorated walls in her new house.

                               A                  B         C              D