20. - I am sorry to hear that your mother is ill in hospital．

　- ____．

　A．That’s all right　　　　　　 　B．You don’t have to be so sorry

　C．It is nothing　　　　　　　　　 D．It’s very kind of you

19. Our government took urgent measures ______ the terrible weather disaster at the beginning of 2008．

　　　 A．in terms of　　　　 　　　 B．in case of　 C．in response to　　 　　　 D．in honor of

18. US President Obama, ________next to a 5-year-old boy, drinks his beer while ________the Wizards NBA basketball game against the Bulls.

A. sitting, attended　　　 B. sits, attending　

　 C. sitting, attends　　　 D. sitting, attending