all___ for international conferences is of greatimportance．—I see, and we are sure to complete it on time．

I__________it to my teacher to take a better-paid post if I can get one. [ ]

________many times, but he still couldn’t remember my phone number

They advised him to give up smoking, but he didn’tlistenSo their attempts were __.[ ]

_______ do you go to the library —Three times a week.