31At that time I still felt ______ my feet were cold and _______ my hands ached terribly

The quiet girl has_____ since she modelled herself _______ Yanglan .

Mr. Fox fell ill, thus __________ it necessary for us to find another person for his job.

The company provides cheap Internet access______, it makes shareware freely available.[ ]

Never before in my life ________such a beautiful girl with so many high qualities.