I told you that he would come to see you. — Actually I had little doubt _________ it was true.[ ]

Mr. Li regards Ningxia as his second_______because he has been here for over twenty years.

Frank put the medicine in a top drawer to makesure it would not be _______to the kids

I’d appreciate________ if you would like to teach me how to use the computer.[ ]

I haven’t heard from Bill ______he left here.