I am not sure whether we can give the right advice ______ emergency.A.on account ofB.in ca

I’m not sure whether I can gain any profit from th

I’m not sure whether I can gain any profit

I’m not sure whether we can gain any profit from the（invest) ___________.

We can address a lady “Ms” if we are not sure if she’s married or not.（)

Im surely dirty,______？A．am IB．isn"t IC．aren"t ID．am not I

I am doubtful whether I can solve the puzzle, but I ’llhave a ____ at it.A) shootB)