We know he is looking forward to seeing the gift.
You may want to know if Chen Hua is here yet.
We wondered why you were visting Beijing.
I don't know what Sally had done .
They will understand what it means by studying hard .
Sally wants to know where the library is.
I didn't know if Miss Green had her lunch at school.
Mrs White asked Lingling if there was anything wrong with her computer.
She asked if you had finished your homework.