Do you often meet this engineer here?
Who often meets this engineer here?
Where do you often meet this engineer?
Do you often or seldom meet this engineer here?
You often meet this engineer here, don't you?
1) Yes, I do
2) I do.
3) I often meet this engineer here.
4) I often meet this engineer here.
5) Yes, I do
Do you often meet this engineer here?
Who often meets this engineer here?
Where do you often meet this engineer?
Do you often or seldom meet this engineer here?
You often meet this engineer here, don't you?
1) Yes, I do
2) I do.
3) I often meet this engineer here.
4) I often meet this engineer here.
5) Yes, I do