Complete these Chinese dialogues and practice situational phrases.

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. (It's over there.)
A: Xièxie. (Thank you.)
B: Bú kèqi. (You're welcome.)

(2) A: Qǐngwèn, jiàoshì zài nǎr? (Excuse me, where is the classroom?)
B: Duìbuqǐ, wǒ bù zhīdào. (Sorry, I don't know.)

2. Situational dialogue

In an unfamiliar building:

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

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