35__________________you met the Englishman?

We congratulated him ______ his getting a gold medal.That is to say: we offered him our congratulations ______ his getting a gold medal.

Mr Smith， would you please speak a little more ________— Sorry! I thought you would follow me.

Canada is a country ________ many differentnationalities as well as one with foreign immigrants __________ the majority ofits population.

It is hard to say what kind of person he is. Sometimes he is very friendly; at other times he ___ be very cold. [ ]