33、―I really like the modern digital camera you lent me last week.

―　　　　.

―And thank you very much for letting me keep it so long.

A. I’m glad you like it      B. Don’t mention it

C. I hope you like it           D. That’s all right

32、No matter _____, you must keep trying.

   A. how difficult does it seem                B. however it seems difficult

   C. however seems it difficult                D. how difficult it seems

31、_____bilingual education in one’s early childhood is getting more and more popular in Shanghai now.

   A. Receive          B. Receiving          C. Received       D. Having received

30、When a ship that sank in 1628 was recovered from the port of Stockholm, the scientists were overjoyed with the chance _____ the remains of the past.

A. examine                   B. examining          C. to examine                D. examined

29、_____ he is very busy, he spends at least two hours every day surfing the Internet in order to find out the latest development in science and technology.

A. Even though                   B. When                       C. Unless               D. Whether

28、Several weeks had gone by _____ the head of the gallery realized the painting was missing.

A. after                        B. before                      C. since                        D. that

27、The airline has a booklet _____ will tell you most of the important information to Europe.

A. in which            B. about which              C. /                        D. that

26、 Students can easily fall behind in their studies ____ they don’t manage their spare time carefully.

A. though                    B. if                             C. since                        D. until

25、He warmly congratulated them on _____ they had achieved in science and technology.

A. that                          B. where                      C. what                        D. which