1.

There isn't a more famous wax museum than Madame Tussaud's.

famous

Madame Tussaud's    wax museum in the world.

2.

I don't find paintings as interesting as sculpture.

interested

I am    paintings.

3.

You won't see a better collection of ancient Greek art than in the
National Archaeological Museum in Athens.

place

The National Archaeological Museum in Athens    to see ancient Greek art.

4.

Mrs. Robinson is a better teacher than Professor Maxwell.

teach

Professor Maxwell doesn't    Mrs. Robinson.

5.

We won't want to be as long in the museum as in the castle.

spend

We'll want    in the museum than in the castle.

6.

The old art gallery is half the size of the new one.

big

The new art gallery is    the old one.

7.

Other security systems are more difficult to operate than this museum's.

least

Compared with other museums, this museum's security system    to operate.

8.

Other jade collections aren't nearly as valuable as the one in the National
Palace Museum in Taipei.

much

The jade collection in the National Palace Museum in Taipei    others.

9.

Brian was the most badly behaved child on the trip to the Science Museum.

behaved

All the children behaved badly on the trip to the Science Museum, but    of all.

10.

My opinion of the art exhibition is different from yours.

same

My opinion of the art exhibition    yours.