<b>I like to call in on Tom because I got some chocolates for him.</b><br/><br/><b>I have called on my classmates to arrange a campaign for AIDS.</b><br/><br/><b>You must have called on all your efforts to win the game.</b><br/><br/><b>Please call in on my son on your way to office.</b><br/><br/><b>You should call on your honest attitude when someone tries to give you a bribe.</b><br/><br/>Please correct my sentences.