________ their son away to college, the old couple got more room in the house．
| A．As | B．For | C．Through | D．With |
________ in his paper, he didn’t notice his teacher coming .
| A．Having absorbed | B．Absorbed |
| C．Absorbing | D．Being absorbed |
________ the computer competition quite well, he won the first prize.
| A．Preparing | B．Having prepared |
| C．To prepare | D．Prepared |
________ is known to all, China will be an _______ and powerful country in 20 or 30 years.
| A．That; advancing | B．This; advanced |
| C．As; advanced | D．It; advanced |
–There is a story here in the paper about a 110-year-old man.
--My goodness! I can’t imagine ______that old. .
| A．to be | B．to have been |
| C．being | D．having been |
My mother likes everything in order, and she always remind us to put things back______ we get them from.
| A．so that | B．in which | C．once | D．where |