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. 小题1:
M：Hi, Mary. I've been studying a lot for my final exam.
W：Well. 小题2:
M：Yes. My brother is coming for a visit this winter helically and we'd like to see some
of the country. 小题3:
W： 小题4:
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： 小题5: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.
