Complete the following dialogues and situational responses in Chinese, practicing asking for directions.

Here are the completed dialogues and situational responses:

1. Complete the following dialogues

(1) A: Qǐngwèn, cèsuǒ zài nǎr? (Excuse me, where is the restroom?)
B: Zài nàr.
A: Xièxie. (Thank you.)
B: Bú kèqi.

(2) A: Qǐngwèn, jiàoshì zài nǎr? (Excuse me, where is the classroom?)
B: Duìbuqǐ, wǒ bù zhīdào.

2. Situational dialogue

In an unfamiliar building:

(1) You are looking for the elevator (电梯, diàntī).
Qǐngwèn, diàntī zài nǎr?

(2) You are looking for Mr. Yang's office.
Qǐngwèn, Yáng xiānshēng de bàngōngshì zài nǎr?