, dry handshake is generally regarded as an indication that someone is confident and ______.

What a smart and hard-working boy he is!—Right ________ a possibility that he will win thefirst place in the competition

____, are you Mr. Wang—Yes, I am.

With the second ring road overpass _______ at present in Chengdu, the local citizens have to choose another way to avoid traffic jam.

Why not stop __________ a rest— Oh, it’s so exciting that I can’t stop ____________ the model plane.