Tom has been fired by his boss — ? As far as I know, he is a hardworking and considerate fellow

The reason for _______ he failed in theexam was that he was too careless.

The Japanese Premier’s visit to China, ________ as the “icebroken” trip, has a positive effect on SinoJapanese relationship [ ]

在市场上购买衣服时，你看到的表示“中”号的字母代表是( )

a shame to ask you to lend me moremoney, but…一________You really need money to keep on withyour education.