第二节：单项选择题（共10小题，每小题1分，共10分）
从每小题所给A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
6. Tom is very pleased with the newly-built house, which is almost ___ the one he used to live in..
A. the twice size of B. as twice big as
C. bigger twice than D. twice the size of
7. _____ by his words, all the audience clapped now and then until his lecture came to an end.
A. Impressed B. Impressing
C. To be impressed D. Having impressed
