根据对话内容，从对话后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。（每小题1分，共5分）
W：Hi, John.   
M：Hi,  Mary.  I've been studying a lot for my final exam.
W：Well.            
M：Yes.  My brother is coming for a visit this winter helically and we'd like to see some
of the country.      
W：    
M：Camping? I have never done that.       .
W：I think you'll like it.  It's much cheaper than staying at a hotel.  And being close to nature is a good way to forget about our school for a while.
M： We can go by bike until we find a nice place and just camp.

A．You should do that.

B．What a good idea.!

C．But traveling is so expensive.

D．Have you thought of camping?

E．There are many beautiful sceneries.
F．I haven't seen you for a few weeks.
G．The term is almost over now.