Noun Clauses- Correct the mistake
Did he invent the light bulb? "I don't know"
I don't know if (whether) he invented the light bulb.
Where is the Calle 13 concert going to be? "My grandma was wondering"
My grandma was wondering where the Calle 13 concert is going to be.
How long have you ridden your Harley Davidson? "I wonder"
I wonder how long you have ridden your Harley Davidson.
How long is the journey to Mexico City? "I'm not sure"
I'm not sure how long the journey to Mexico City is.
Why shouldn't you have drunk the tequila last night? 'Do you know?'
Do you know why you shouldn't have drunk the tequila last night?