Three floors

(a)  

Best friend

(a)  

Very busy

(a)  

Not really tired

(a)  

Return home

(a)  

Please come in

(a)  

This person

(a)  

Next to ; beside

(a)  

This week

(a)  

Last night

(a)  

Go to the market

(a)  

Bank employee

(a)  

At classroom

(a)  

Foreign dormitory

(a)