30. Look! What a mess the room is! In my opinion, it needs ______.

We often associate the name of Li Ning ______ gymnastics

Where have you been recently? — I _______ in Hangzhou on business for a week last month

Soldiers stood next to a police truck, looking at the crime scene _______ a woman was gunned down in a poor neighborhood of the border city of Iran October 18, 2009.

21Move a few steps, and the oil-paintings look better ______