John has put forward _______ most challenging question for us to answer.-Yes, it really is. I have never heard _______ harder one.

17 ______, his idea was actually worth practicing

Due to the super typhoon Haiyan, all the flights were delayed or cancelled, so the conference had to be ________.

I’ve decided to move to the countryside, for I’ve had _____ of the noises here. width=”228″ valign=”top” style=”width:171.0pt;padding:0cm 5.4pt 0cm 5.4pt”

I’d rather______ rudely to heryesterday.