用may成can的适当形式完成对话。
David :Where are you going to spend your vacation this year ,Mary?
Mary :l __1__ go to Australia with my family. I'm not sure. My mother wants to go there ,but my father would like to Africa. They    2    make up their mind.
David :Will you travel by plane or by ship?
Mary :We__3    travel by ship.
David :Is it cheaper or more expensive ?
Mary : It _  4    be cheaper ,but it takes a long time.
David : l'm sure you'll enjoy yourselves.
Mary: Don't be so sure. We__5     not go anywhere.

A : Hi,  Lucy!   1 
B: Oh, I' ve been to many places with my   parents, such as Hangzhou, Beijing and Xi'an.
A: 2
B: Really? What places have you been to,Sarah?
A: Very few. I've only been to Zhouzhuang.
B: 3
A: It's in Suzhou. It's a small place.  It's the   No. 1 Water Country of China. There you can   see many old buildings on the water, because   Zhouzhuang has a long history.
B: 4  I've just seen a lot of natural beauties,   but not much old China culture yet.
A: 5

A. Look a   1   the building. There are two floors. On the first floor, there are o   2   and a hall. There are
two t   3   on this floor, too. On the first floor, there are ten c   4   . There aren't a   5   libraries in my school,
but there are some r   6    rooms.
B. Mum: E   7   your breakfast, Lily. Lily: W   8   time is it? Mum: It's seven thirty.
C.  Millie: D   9   your mum cook for you? Lily: Yes, she does. But she doesn't w   10   the dishes.

Boy: (1)________________ those?
Girl: They are electric slippers.
Boy: (2)________________
Girl: For seeing in the dark.
Boy: Oh, that's cool! (3)_________________?
Girl: Julie Thompson.
Boys: (4)_________________?
Girls. I'm not sure.But not very long ago.And look at this heated ice cream scoop.
Boy: I know what it's for! It's used for scooping really cold ice cream.
Girl: Right. It was invented by Chelsea Lanmon.
Boy: My favorite are those shoes (5)_________________ adjustable heels. You know you can move the
       heels up and down. Jayce Coziar and Jamie Ellsworth invented them You can change the style of 
       your shoes. You can make the shoes go from casual to dressy.

S= Susan W=Wang Li
S: Which season do you like   1  , summer or winter?
W: I like   2   better.
S: Why?
W:   3   I like going swimming in the river.
S: I agree   4  you. I like summer,    5  . I think it is the  6   beautiful time of the year.
W: Do you also like to   7  ?
S: Yes,   8   that's not why I like summer  9  .
W: Why then?
S: Because we have  10   classes.
1._____2._____3._____4._____5._____
6._____7._____8._____9._____10._____

A: Hello, May!
B: Hi, Peter! I haven't seen you for weeks. 1.________________________
A: I have been to Hawaii (夏威夷).
B: How was your journey?
A: Great! Hawaii is a beautiful place.
B: 2. ________________________
A: I went there by air.
B: 3. ________________________
A: Yes, I had lived there for 4 years before I came here.
B: 4. ________________________
A: I traveled with my friends.
B: 5. ________________________
A: I have been away for about eleven days.
B: What a wonderful journey!
A: Yes, it was!