modelB:doesmrbrownliveinroom207?couldyoutellme?---couldyoutellmeif/whether/mrbrownlivesinroom207?1,didtheyhaveapicnicintheparklastsaturday?doyouknow?2,willaforeignergiveaspeechoncomputersnextweek?canyoutellme

Question

model B:does mr brown live in room 207?could you tell me?---
could you tell me if/whether/mr brown lives in room 207?
1,did they have a picnic in the park last saturday?do you know?
2,will a foreigner give a speech on computers next week?can you tell me?
3,is lily coming to the museum?i don't know
4,were you at home before nine last night?the policeman wants to know
5,is there going to be a test this week?do you know?
6,will it rain tomorrow?nobody knows
7,did they have a good journey home?he wants to know
8,has he come back from guangzhou?I don't know

Answer 1

1,did they have a picnic in the park last saturday?do you know?
Could you tell me if they have a picnic in the park last saturday?
2,will a foreigner give a speech on computers next week?can you tell me?
Could you tell me if a foreigner will give a speech on computers next week?
3,is lily coming to the museum?i don't know
I don't know if lily is coming to the museum.
4,were you at home before nine last night?the policeman wants to know
The policeman wants to know if you were at home before nine last night.
5,is there going to be a test this week?do you know?
Do you know if there is going to be a test this week?
6,will it rain tomorrow?nobody knows
Nobody knows if it will rain tomorrow.
7,did they have a good journey home?he wants to know
He wants to know if they had a good journey home.
8,has he come back from guangzhou?I don't know
I don't know if he has come back from guangzhou.