The Math problem is too difficult , we really don’t know ________ to do it .

Should people stop using their cars and start using public transport?— __________. The roads are too crowded as it is.

_______ the boy beside the window?

John got injured in the game.—Would it be at least a fortnight ______ he could recover and return to school?

What’s your name, please?— _____name is Gina Smith.