The website is very popular. And it’s amazing that __________ designer of it is just __________ nine-year-old child.
| A．the; the | B．a; the | C．the; a | D．a; a |
I am always delighted when I receive an e-mail from you. ______ the party on July 1st, I shall be pleased to attend.
| A．On account of | B．In response to | C．In view of | D．With regard to |
An artist who was recently traveling on a ferry to the southern island discovered ______ a long lost antique Greek vase.
| A．at random | B．by chance | C．in turn | D．on occasion |
Mrs. Smith finds it hard to clear up the mess, as her children are always ____ whenever she tries to.
| A．in the way | B．on watch | C．in sight | D．on the line |
（2013·北京卷) I have an appointment Dr. Smith, but I need to change it.
| A．to | B．off | C．with | D．from |
（2013·大纲卷）A serious study of physics is impossible some knowledge of mathematics.
| A．against | B．Before | C．Beyond | D．Without |