A：Long time no see，Peter．I've already come back from Hong Kong．

B：Really？Sounds like an exciting holiday．（78）　　

A：Two of my good friends．

B：Did you go to Disneyland in Hong Kong？

A：Sure．I watched some famous characters such as Donald Duck and Mickey Mouse．（79）　

　And

there were quite a lot of people from different countries!

B：Too crowded!（80）　　

A：Don't worry．I have never heard of any accidents before．Did you have a good holiday？

B：Yes．（81）　　When I was on the top of Emei Mountain，I saw the sea of clouds．Wonderful!

A：That's great!I like nature，too．I can't wait to have another exciting holiday．

A．I visited a good place to breathe the fresh air．

B．I also took some photos with them．

C．Who did you go there with？

D．I'm afraid it was not safe．