1.She's at the Grand Hotel.=她在大饭店里。

2.They're at the Grand Hotel.=他们在大饭店里。

3.She isn't in her room.=她不在房间里。

4.They aren't in their room.=他们不在房间里。

5.Are they in the bar?=他们在酒吧里吗？

6.She's gone to the cinema.=她去电影院了。

7.He's at work.=他在工作。

8.He's at home.=他在家。

She isn't in her room.

They aren't in their room .

Are they in the bar ?

He's not at home.

He's at work.

She's gone to the cinema.

He isn's at home.

She's at the Grand Hotel.

she is at Grand hotel. 不是用in.  at a place.

she isn't in her room.

he's at work. 他在工作

i'm at cinima.

she is gone to a party.

charlady  女清洁工

where is he gone?/ where is he ? 

a full time housewife

She isn't in her room.

They aren't in their room .

Are they in the bar ?

He's not at home.

He's at work.

She's gone to the cinema.

He isn's at home.

She's at the Grand Hotel.