Read and choose. (阅读短文，回答问题）

A: We have a new gym.

B: Really? Where is the gym?

A: It's on the second floor.

B: Our classroom is on the second floor, too. There are fifty desks in our classroom.

A: What colour is the door?   

B: It's white.

A: What time is it now?

B: It's 10 :10.

A: It's time for music class. Let's go.

B: OK.

1. We have a ______ gym.

2. There are _______ desks in our classroom.

3. The door is _______.

4. What _______ is it now?

5. It's time for _______ class.