I. C
II.
1. shopping mall
2. isn't
3. aren't
4. lake
III.
1b    2a    3e    4c     5d
IV.
2. Yes, there is. There is a very small mountain ...
3. No, there isn't. There is a waterfall across from the tables and chairs
4. Yes, there are. There are tables and chairs between the forest and the lake.
5. No, they aren't. They are plastic.
Grammar
I.
1. across from
2. between
3. next to
4. in front of
5. next to
II.
2. in front of
3. in front of
4. between
5. next to
III.
2. Where's/next to
3. Where are/in front of
4. Where's/It's between
5. Where's/It's opposite

READING

1.c

2.

2.isn't

3.aren't

4.lake

3.

2.a

3.e

4.c

5.d

4.

2.Yes,there is.There's a small mountain___________

3.No,there isn't.There is a waterfall across from the table and chairs.

4.Yes,there are.There are tables and chairs between the forest and the lake.

5.No,they aren't.The trees and the mountains are plastic.

GRAMMAR

1.

2.between

3.next to

4.in front of

5.next to

2.

2.in front of

3.in front of

4.between

5.next to

3.

2.Where is________________?

   It's next to________________.

3.Where are_______________?

  They're in front of_____________.

4.Where is_____________?

  It's between__________.

5.Where is_____________?

  It's across from___________.