Many doctors and scientists are working hard on curing AIDS. We hope AIDS _____ one day.

Why does Cindy like the music?-She likes the music because she can sing along________.[ ]

The Shanghai Expo opened ______ May l, 2010.[ ]

This shop is the one ________ sells men’s clothes.

________ we go swimming in Xishuanghu Lake today? —- Oh, no. It’s ________ cold to swim on such days. I will catch a cold.