13．Many medical scientists are racing 　　　　time to find a cure for H1N1 as soon as possible.

　　　 A．on　　　　　　　　　　　 B．against　　　　　　　　 C．for　　　　　　　　　　　 D．in

12．Alice is kind, careful, energetic and has much experience of looking after children. In a word, she is very　　　 .

　　　 A．comfortable　　　　 B．flexible　　　　　　　　 C．available　　　　　　　 D．reliable

11．--- Where did Mary’s parents buy the beautiful souvenir?

　　 --- It was in the same village 　　　　they spent their holidays last year.

　　　 A．that　　　　　　　　　　 B．when　　　　　　　　　 C．as　　　　　　　　　　　 D．where

10．　　　 by the beauty of the piano music, the audience almost forgot to applaud when the pianist finally finished it.

　　　 A．Having attracted　 B．Attracted　　　　　　 C．To be attracted　　 D．Be attracted

9．Young adults generally make their own choices about 　　　　job to take.

　　　 A．what　　　　　　　　　 B．that　　　　　　　　　　 C．how　　　　　　　　　　 D．whether

8．The silence of the library is sometimes broken by a sudden cough or the sound of pages 　　　.

　　　 A．turning　　　　　　　　 B．turned　　　　　　　　 C．being turned　　　　 D．having turned

7．John’s ability to learn from observations and experience 　　　　greatly to his success in public life.

　　　 A．owed　　　　　　　　　 B．attached　　　　　　　 C．related　　　　　　　　 D．contributed

6．--- Is there any possible way to help them get rid of such a bad habit?

　 --- To tell the truth, it’s very hard. But we teachers 　　　　on this problem.

　　　 A．are working　　　　　　　　　　　　　　　　　　　　 B．had worked

　　　 C．worked　　　　　　　　　　　　　　　　　　　　　　　 D．had been working

5．--- Thank you every so much for your timely help.

　 --- 　　　　　　.

　　　 A．Glad to hear that　　　　　　　　　　　　　　　　　 B．Think nothing of it

　　　 C．With pleasure　　　　　　　　　　　　　　　　　　　 D．That’s right

4．Good news came that Nancy decided to donate blood to DanHeins, and the results of the medical tests came in: She was a 　　　　　.

　　　 A．suit　　　　　　　　　　 B．fit　　　　　　　　　　　 C．match　　　　　　　　 D．mate